Dictionary.com

A massive new planet in our solar system named Tyche? Maybe. But what does “Tyche” mean?

There may be a new planet joining the solar system. A provocative hypothesis posed by a duo of planetary astronomers from the University of Louisiana-Lafayette includes the existence of the planet Tyche: a ninth planet estimated to be four times the size of Jupiter located somewhere at the outermost reaches of the solar system. It’s hard to know what is more enjoyable: stories about planets themselves or the meaning behind their names. NASA can handle the astronomy; here’s the meaning behind the name.

Tyche (pronounced tayh-kee) is derived from the Greek word for “providence, fortune” and the Roman “fortuna.” It also refers to the ancient Greek goddess of spirit and fortune – a tutelary deity that oversees the destiny of a city. The Greek historian Polybius believed that when no direct cause could be identified for floods, drought or frosts, the blame fell on Tyche’s shoulders. A capricious dispenser of both good and ill will, Lady Luck giveth and taketh away.

(If you think this is a strange name, consider the one given to a mysterious green blob in outer space: Hanny’s Voorwerp. Learn the source of that moniker, here.)

The daughter of the Titans Oceanus and Tethys, Tyche is often depicted holding a large cornucopia that represents good luck and fortune and from which an abundance of coins fall. She also holds a rudder, helping her to guide and conduct the fates of the world. Finally, a ball completes her regalia, representing the unsteadiness of any given fortune.

Tyche’s benevolent sister and nemesis was, well, Nemesis: the goddess of retribution and indignation. An avenging goddess, Nemesis is regarded as the balancer of fortunes handed out by Tyche. Most interestingly, astronomers chose the name Tyche because the discovery of this new celestial body counteracts a once held-hypothesis that a solar object named Nemesis is responsible for regular, repeated extinctions on Earth.

Mythology is such a pervasive source of names in our culture that many of them probably escape your attention. For example, who is the one-armed God that Tuesday is named for? Or the comely Norse goddess that is Friday’s namesake? Find out here.

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227 Comments

  1. justin -  May 29, 2014 - 7:08 am

    thats supposed to say now

    Reply
    • Xiomara Nivar -  October 30, 2014 - 6:44 am

      A new planet right? What about it’s just a pick of the new earth that Jesus is talking about. We are in our final days. Just look around. Ebola is letting people know that Jesus is telling us the truth. It’s time to come to God if you want to live forever in this new planet or earth that is done for us. Without all this greedy, spooky people that we find in this world.

      Reply
    • Xiomara Nivar -  October 30, 2014 - 6:50 am

      I agree. It’s the earth that Jesus is talking about. So it’s time to read the Bible and do the “searching” Yes

      Reply
  2. justin -  May 29, 2014 - 7:07 am

    im not sure what to think because if there was a “new” planet i think i would of heard something by know

    Reply
  3. Brian Davidson -  May 6, 2014 - 1:27 am

    “hypothesis”
    Sorry, but even 100 hypothesis doesn’t make one fact. This wasn’t originally an April fools joke by any chance?

    Reply
  4. Bryan H. Allen -  February 23, 2014 - 4:41 pm

    BHA’s second comment (2014/02/23) about the Dictionary.com blog of 2011/02/24


    Hello, “Ray” (February 25, 2011 – 11:14 am).  Your response first came to my attention Sunday, February 23, 2014—yes, fourteen,
    about 1,094.2 terrestrial solar days ago and about 2.9959 terrestrial tropical years later. 
    (The U.S. Naval Observatory’s Julian date converter was very useful for this. 
    No, I decline to convert the numbers manually to Martian time; I’m not that big of a lunatic—ha, ha, get it?)

    You commented, in relevant part: “Delware has a way-cooler reference: DEUS…]”. 
    Ahem, sir, an internet search of “Delware”+”DEUS” yielded a “dead end”: no useful, illuminating information.

    For one impediment, you left to guesswork whether your “Delware” represented “Delware” per sē, “Delaware”,
    or “Dell ware”. 
    Letting someone search in three haystacks instead of one is not optimally nice and kind, my dear sir.

    For another impediment, your capitalized “DEUS” could be an acronym or just “deus”, Latin for “god”. 
    As I had previously cited a site contravening “more gibberish about Nibiru” (in antecedent comments posted at this blog), perhaps you referred to that.

    Ray, I would gladly examine your much more awesome reference; alas, I cannot find it. 
    I am skeptical also that other readers could find it from your lead (/liːd/), absent prodigious investment of time and diligence.

    At this rate, perhaps, circa 2017, you will read my new comment and set the record aright
    Perhaps, circa 2020, age 64, I will read it.  Gee, thanks.

    BHA in L.A., CA, USA

    Reply
  5. wolf tamer and tree puncher -  November 25, 2013 - 6:16 am

    cool

    I think it should’ve been called Hecate. That was the Greek goddess of magic.

    Reply
  6. Brian -  October 22, 2013 - 2:02 pm

    @Baphomet
    Wow, you truly are an idiot…

    Reply
  7. samira -  June 12, 2013 - 4:47 am

    how to pronounce it ty…thy…cc. i dont know

    Reply
  8. mthokozisi bonga -  April 10, 2013 - 8:43 am

    i think and belive there are some other planets it jst that thy far very far from us, this one is one of them getting close to us…..generations after us will tell this story better than us.

    Reply
  9. shashank -  June 19, 2012 - 11:03 pm

    i love to know its name

    Reply
  10. Jonathan -  March 12, 2012 - 10:17 pm

    Where is the planet located.and what is it orbit.

    Reply
  11. maria -  December 10, 2011 - 2:53 am

    you only talk about the namme of the planet and its meaning
    maybe the people would like to know more about the planet than of its name

    Reply
  12. carl -  December 7, 2011 - 3:07 am

    many people say’s that the new planet is gaseus and if we go there the trip is fun but it is 22 million kilometer’s away from the earth….!!!

    Reply
  13. someone -  November 21, 2011 - 10:47 am

    I AM THINKING ABOUT THIS PLANET AND IT’S SIZE.

    Reply
  14. MARK -  November 17, 2011 - 10:46 pm

    Nibiru

    Reply
  15. priyanka mohan -  November 4, 2011 - 8:50 pm

    love the way u have decribed our new planet tyche….but does it affect our zodiac signs…???

    Reply
  16. N7xMartinx666 -  October 26, 2011 - 2:36 pm

    like i was saying, if that method doesnt work, build artificial ecosystems

    Reply
  17. N7xMartinx666 -  October 26, 2011 - 2:35 pm

    instead of discovering planets, they should figure out a way to travel and explore other systems and perhaps colonize planets artificially if the method ”trying to find a planet just like ours”.

    Reply
  18. vipin -  October 21, 2011 - 12:54 pm

    i_think_it_is_an_Alien_colony_and_it_is_coming_towars_us_i_think_we_should_watch_it_closely_________//

    Reply
  19. mike oxlong -  September 22, 2011 - 7:04 pm

    hahahahah

    Reply
  20. eric -  September 22, 2011 - 7:00 pm

    lets go there!!!!!!!!!!

    Reply
  21. ryye -  July 31, 2011 - 10:48 am

    sorry not fake
    ()—()
    [. .]

    Reply
  22. VIBHOR -  May 25, 2011 - 7:59 am

    IN OUR UNIVERSE HOW MANY PLANETS AND NASA HOW MANY PLANETS HAS DISCOVERED

    Reply
  23. America Kansas Shay(not kidding) -  May 23, 2011 - 7:38 am

    I still will stand up for Tyche cause i wanna know more about it but we have to have patients…. pateince is a vertue, ya’ll know?!!!!!

    Reply
  24. America Kansas Shay(not kidding) -  May 23, 2011 - 7:36 am

    @Dwarf
    HELLO!!! For God sake…………. ummm don’t you ever listen… NASA said in May (if i correctly remember, it was in May), NASA stated that they sent the last shuttle in space… Im a freshmen in high school….(actualy this is my last week then imma goin to be a sophmore) but anyway, i thought about goin to college to study into goin to work for NASA….. i did some research and found out that they just launched the LAST shuttle into space….. now, if you think about it, NASA said that before but turned around and sent astronaunts back into space. Now im not trying to be rude or anything but you cant just asume your goin to go to the moon in 2 years… to be honest i wanna travel to space after high school…. but yea sorry…..

    @mel
    Heyy, dont listen to others about the whole thing with pluto…. yeah, pluto is considered as a dwarf planet…. but people still have feelings for pluto…. after NASA stated that Pluto was a dwarf planet i never actually took it into reality… in my own opinion pluto is still a planet no matter what…. and I know that its not but this is a free country… i will stand up for my opinions no matter the cost…

    For Everyone Else
    Yea you guys might be excited but NASA has not made Tyche an official planet so dont get your hopes up quite yet……. Also, you people are jumping into this whole thing with Tyche, like “is there any life forms…” or “will this be a planet that can withold life it self?”………………. we just FOUND Tyche…. its not determind whether or not its a new planet yet…. SO HOLD YOUR HORSES………………

    Reply
  25. peter dickinson -  May 20, 2011 - 6:05 am

    so can life live on this new planet

    Reply
  26. O__________________________________________________________________O -  March 28, 2011 - 3:31 pm

    Wowzers you guys are all trolls…

    Reply
  27. I CAN HAZ CHEZBURGER?!?!?!?!?!!?!?!?!?!?!!?!?!?!?!?!?!?!?!?!?!?!?!?!?11?!?!?1?!?!?!?@/1.3.1,gl2ijjio3qy89489y56gy4y89w5gyyng5n8g48w8u4w8nu9n-88888 -  March 28, 2011 - 3:30 pm

    hi

    Reply
  28. Your Favorite Troll -  March 28, 2011 - 3:28 pm

    Ok. First of all the reclassification of Pluto was totally stupid. First off, if it revolves around a large gravity feild, and is therefor in a solar system IT’S A PLANET! Unless you can prove that it is being affected by another gravity feild,(planet) being affected by the large gravity feild,(sun) IT’S A FLIPPIN’ PLANET.

    Reply
  29. I IN YA FORUMZ EATEN YA COOKIEZ -  March 28, 2011 - 3:19 pm

    @Iansane

    Please look up ‘sentance structure’.

    Oh, and ‘comma usage’.

    Reply
  30. skelly -  March 14, 2011 - 11:29 am

    Pluto has been reclassified and is no longer a planet. That is why Tyche, if it exists would be planet number 9 in our solar system

    Reply
  31. lmao -  March 2, 2011 - 7:59 am

    Tyche reminds me of the word dike, which is what all your moms are. Lol

    Reply
  32. Isabella -  March 1, 2011 - 12:30 am

    Carl
    We might make it worse, or we could try to make it better, but we are too little to destroy it. God can always start again. The planet includes humanity. Humanity does not include the planet.

    Reply
  33. joe -  February 28, 2011 - 6:27 am

    wow! cool! i love it……; ) ) )

    Reply
  34. Carl -  February 27, 2011 - 7:14 pm

    Isabella, I disagree-

    We can destroy this planet. If you don’t believe so, just sit back and watch.

    Reply
  35. UnIveRse lover/// -  February 27, 2011 - 12:29 pm

    YEAH!!!! TYCHE! HOPE IT IS TRue AND THAT WE CAN LEARN MORE BOUT IT AND MAKE IT THE official NINTH PLANET!! WITH THAT, NEW DISCOVERIES ARE FLOATING IN THE AIR LIKE MOLECULES, SO I´M NOT CRAZY SAYING THERE MIGHT B ANOTHER PLANET WITH LIFE!! PROBABLY FAR AWAY, BUT STILL!!!!!!!
    kisses from tyche

    Reply
  36. Isabella -  February 26, 2011 - 7:01 am

    Phoebe
    Not much on these pages makes an instant appeal, but I shall cherish the wisdom of “There is nothing we can do to destroy our planet! We did not make it, and we can not destroy it.”
    Absolutely true.

    Reply
  37. Awoken -  February 25, 2011 - 8:14 pm

    It’s Niribu.

    Reply
  38. emily -  February 25, 2011 - 8:03 pm

    mel
    Pluto is not a planet anymore

    Reply
  39. Phoebe -  February 25, 2011 - 7:51 pm

    Why is it that we are just now discovering this planet? I mean, we have seen complete other galaxies and we are just now finding this planet???
    Drew we aren’t destroying our planet any more than it destroys itself! Why is it that people think that we are the ones that are going to destroy our planet? There is nothing we can do to destroy our planet! We did not make it, and we can not destroy it!

    Reply
  40. bhugz -  February 25, 2011 - 7:35 pm

    how nice….so excited,we hope that new discovered planet are real..hmmm

    Reply
  41. $%^&*()#@* -  February 25, 2011 - 6:57 pm

    some people are so blind

    Reply
  42. Iansane -  February 25, 2011 - 6:49 pm

    Thank you Ames, as for everyone else, from what I see here, the vast majority of you are idiots or in third grade. It saddens me. But thank you Ames. You prove that humanity has a brain or two left.

    Reply
  43. Mackenzi -  February 25, 2011 - 6:35 pm

    Finally the Greeks get a name! All the other planets, minus Earth, are named after ROMAN gods/goddesses!

    Reply
  44. Sam -  February 25, 2011 - 6:17 pm

    More than 500 years ago a man call Guru Nanak have says, there are Billion of planet and Million of planet Earth in the solar system. Only now our smart science tis found the ninth planet. try to read the Sikh bible call Guru Granth Sahib in English. Ooh man! will you see the real wold .

    Reply
  45. taneduard -  February 25, 2011 - 6:15 pm

    that far from the sun, should be an icy giant.

    Reply
  46. Jay -  February 25, 2011 - 5:53 pm

    Not only that, but it would also currently be tracked by NASA and ameature astronomers everywhere.

    Reply
  47. Jay -  February 25, 2011 - 5:37 pm

    A planet 4 times the size of Jupiter beyond the Kuiper Belt? …Impossible. If there even was such a thing we would have already found it based on the gravitational wobble it would cause on our sun, we would have also seen a gravitational influence on the outer planets (Uranus, Neptune) because of the planets immense size. IT DOESN’T EXIST!!!

    Reply
  48. Γιάννης Α. -  February 25, 2011 - 5:20 pm

    Τύχη is actually the Greek word for luck, and only luck. And it is most certainly not pronounced like that, rather more like tee-hee (hee having a short and snappy “ee” sound). Check your linguists’ general linguistic or WEB SEARCHING ability, Dictionary.com!

    Reply
  49. Arte' Ma -  February 25, 2011 - 5:01 pm

    This is also being spoken and written about by others. Some called it planet X and others Nibirus.

    It doesn’t really matter about the name really as each culture or belief system will have a name which is relevant to them. Not wrong, just different (but the same).

    I know it has been long awaited by many ancient civilisations here – and our ancestors. I for one (as part of the One) welcome it into ‘our orbits’ also.

    With Love
    Arte’ Ma

    Reply
  50. marilynn -  February 25, 2011 - 4:59 pm

    can load more information????

    Reply
  51. sherryyu -  February 25, 2011 - 4:44 pm

    woooooooooooooow!pleas dont tell me that the planet has live, like ours.

    Reply
  52. Tammy D -  February 25, 2011 - 4:17 pm

    Mel, Pluto is no longer considered an actual planet. It is now classified as a dwarf planet. Poor Pluto.

    Reply
  53. drew -  February 25, 2011 - 4:14 pm

    maybe we could ditch our own dying planet and colinize tyche if its not a gas giant which it probably is?????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? like really i dont get it what the heck and also why do people use plastic bottles and things??? they destroy earth and will make us eventually have to ditch earth for some other planet because earth is falling apart. has anyone ever heard of just leave your footstep, not a huge crater?

    Reply
    • Bill -  September 16, 2014 - 2:32 pm

      I really don’t think that plastic bottles are going to leave a huge crater in earth’s surface. Please, just don’t be that guy, that ANNOYING guy.

      Reply
    • Bill -  September 16, 2014 - 2:34 pm

      And the earth is not falling apart. Not enough centrifugal force.

      Reply
  54. Gemma -  February 25, 2011 - 4:02 pm

    @mel Pluto was denounced a planet a while ago. It is a dwarf planet and is smaller than our moon. So it is not an official planet. That is why they are titling this new planet as the ninth.

    Reply
  55. Lolwuthen Mudkipers -  February 25, 2011 - 3:47 pm

    Yay! If it’s possible, I wish we can terraform it! ;D That would be great, isn’t it?
    :3

    Reply
  56. theredone94 -  February 25, 2011 - 3:28 pm

    That’s cool I never knew that before. We all learn something new everyday. I love the universe and the solar system. Pretty cool! Also I love astronomy history, Mayan, Sumerian, etc. space history. So we replaced Pluto to Tyche. Because Pluto is only considered as a drawf planet and Tyche is our second gas planet besides Jupiter. Tyche is 4 times bigger than Jupiter. It’s the 9th planet away from the sun. I know how Earth is like today. Pretty sad cause they wrecked trees, bushes, flowers, etc. just to give more space to humans. Most of us are humans. But the gorillas, apes, monkeys, and chimpanzees are more powerful than humans for sure. We are all mammals. Mammals are animals. We are the only animals that can talk in different words. I love science as well.

    Reply
  57. Fyall -  February 25, 2011 - 3:26 pm

    All the people who read this is stupid.

    Reply
  58. Angel -  February 25, 2011 - 2:36 pm

    WoW!!!! This is neat beautiful color. Love it!!!!

    Reply
  59. Isabella -  February 25, 2011 - 2:21 pm

    I had heard of most of this on the news at some time or another, but I am deeply disappointed in the derivation of the name of the new planet. I don’t sit and watch the news; I drift around doing other things whilst it is on. That way you can get to make some interesting errors.
    I thought this planet was named after the sixteenth century astronomer, Tycho Brahe, who was a marvellous, wickedly interesting character, a deeply flawed, utterly selfish genius. I can see him in a historical drama, played brilliantly by Brian Blessed. So much so that I wonder if it is my vision, or if the movie has already been made with Brian in that role. Feel let down by the more mundane explanation. Planets fly high after all.

    Reply
  60. hksche2000 -  February 25, 2011 - 2:07 pm

    Any chance, the (potential) 9th planet Tyche (τγχη [accent on η] = “fate” in classical greek) could also be named after the great danish astronomer Tycho (Brahe), discoverer of new stars and the first (Super-) Nova? Even if it weren’t, its name might serve as an onomatopoetic reminder of this genius.

    Reply
  61. LAV360 -  February 25, 2011 - 1:52 pm

    this planet is actually Planet X, aka ‘Nibiru’

    Reply
  62. goldhunterx -  February 25, 2011 - 1:45 pm

    That’s kind of weird, but interesting.

    Reply
  63. Smitty -  February 25, 2011 - 1:11 pm

    I’m still wondering if there is a ring of debris around Uranus.

    Reply
  64. bohemian -  February 25, 2011 - 1:09 pm

    Another blow to Astrology….or an addition, depending on how you look at it.

    Reply
  65. Arkano -  February 25, 2011 - 1:07 pm

    @Joe: This is a Dictionary/ Thesaurus site, or a Reference Site. This is not a science site. The link specifically says, where does the name come from?

    Reply
  66. Kenzie -  February 25, 2011 - 12:40 pm

    Dear NASA,
    You continue to be awesome.
    Tyche FTW!

    Reply
  67. Richard Durst -  February 25, 2011 - 12:40 pm

    Oww. My brain hurts after the inanity of this comments page.

    As to the article, how is this news? It sounds no different than the “Planet X” theory that has been floating around for decades now. All that’s different is that they’ve given this hypothetical planet a new name.

    Reply
  68. ddk -  February 25, 2011 - 12:37 pm

    Four times the size of Jupiter? And we’ve just now noticed it?

    Is it possible this is a two planet system? That might explain why something this size has gone unnoticed, but could have the same gravitational pull as a large planet.

    What is it’s orbital path? If it’s held in an orbit by the sun’s gravity, it’d be a pretty big feat for something that far away. But if it’s path intersects any other planet’s path, then as Pluto would say, “man, that ain’t no planet!”

    Reply
  69. Emily -  February 25, 2011 - 12:36 pm

    My first dog was named Tyche!!! That’s a great name.

    Reply
  70. Miguel -  February 25, 2011 - 12:23 pm

    this is crazy for a new planet:)

    Reply
  71. THOMAS -  February 25, 2011 - 11:41 am

    space is the best

    Reply
  72. Jose -  February 25, 2011 - 11:40 am

    Can someone tell me why no one has found this planet yer?????????

    Reply
  73. Random Ninth Grader from Center of Hope Acadamy!!!!!!!!! -  February 25, 2011 - 11:38 am

    To: cheer leader Krystal; I hate cheerleaders. This just shows that you HAVE NO BRAIN!!!!!!!!!!!!!!!!! Go to a website that has things for people like you. No brain. Smart people are on this site. Not retarded cheerleaders. And having a new planet is awesome. I still consider Pluto a planet.

    Reply
  74. Skyler -  February 25, 2011 - 11:28 am

    if you don’t have anything nice to say than don’t say it :)

    Reply
  75. Rooster -  February 25, 2011 - 11:23 am

    this is so cool :D i hope we get a new planet in our solar system. since pluto got kicked out :( , we could use another planet.

    Reply
  76. Ray -  February 25, 2011 - 11:23 am

    JUST WHAT, does that really mean–

    “…four times the size of Jupiter…”

    Is that 4³ times the volume?
    And therefor more-than-4³ times the mass?
    And therefore– 20K times the mass of the Earth?
    And therefor, 6% times the mass of the sun…?

    Reply
  77. bianca -  February 25, 2011 - 11:20 am

    i never knew we had a new planet!

    Reply
  78. Ray -  February 25, 2011 - 11:14 am

    [ONLY FOR-- BHA of LA-CAUSA... Delware has a way-cooler reference: DEUS...]

    Reply
  79. BingoYahtzee -  February 25, 2011 - 11:06 am

    This seems to be in alignment with the theories around Nibiru which is talked about as the planet of the crossing by the ancient Sumarians and is said to be where our creators reside. What would be interesting to know is the orbiting path of the planet and what trajectory it is on. Is it on an extremely large eliptical orbit that will intersect with the earths orbit on the way around the sun? That is what I would like to know.

    Reply
  80. Kristen -  February 25, 2011 - 11:05 am

    Four times the size of Jupiter and someone is finally acknowledging it….

    Reply
  81. star -  February 25, 2011 - 11:01 am

    We Plutoed one, but getting a Tyche.

    Reply
  82. Randi -  February 25, 2011 - 10:59 am

    At least with this hypothetical planet we can pick back up on those planet acronyms from grade school. You know, the ones that kinda died after Pluto was kicked out?:
    My Very Excellent Mother Just Served Us Nine Pizzas… err, Tacos.

    Reply
  83. lily -  February 25, 2011 - 10:57 am

    You all are not seeing the reality here with this new planet. Like Anth said is NIBIRU! stop saying Wow a new planet how cool, trust me it will not be cool, when this new planet tries to lineup next to the others , our planet earth will go through horrifying events. Nibiru will be visible to the naked eye from the southern hemisphere. They also say Earth’s axis is already tilting and the length of the day is changing under its influence.

    Reply
  84. Glace -  February 25, 2011 - 10:49 am

    K, so I was taught nine planets including Pluto the year before they decided that Pluto was not a planet anymore, but a planetoid. I’m so happy that there are nine planets again! It just doesn’t seem right with eight. ;)

    Reply
  85. love 222 child of god -  February 25, 2011 - 10:47 am

    If ther is a new planet whered did they get the name from and who named it???????

    Reply
  86. Esteban -  February 25, 2011 - 10:46 am

    I dunno, they also theorized a phantom Red Dwarf in the outer reaches which now seems unlikely. But if this thing does exist it’d help prove the “Death Star” theory…in a sense anyway.

    Reply
  87. james -  February 25, 2011 - 10:41 am

    Huh… Didn’t know that there was another planet like that in the solar system… So how did this happen? and two more questions… How did we miss that?!! And how does discovery affect our lives?

    Reply
  88. No one -  February 25, 2011 - 10:37 am

    @ X:
    Nibiru was the name used by Babylonians for the planet Jupiter.

    Reply
  89. Charlie -  February 25, 2011 - 10:35 am

    New Discovery?? I thought that this was already defined in anchient times.. Nibiru??

    Reply
  90. kendra -  February 25, 2011 - 10:16 am

    if pluto isn’t a planet…this “thing” will never be a planet to me. ….my friend Nayeli seconds this statement. :)

    Reply
  91. Kendra -  February 25, 2011 - 10:14 am

    If pluto isn’t a planet…this thing will never be a planet to me.

    Reply
  92. J -  February 25, 2011 - 10:09 am

    4x the size of Jupiter… wow.
    How the heck could they miss that?! O.o

    Reply
  93. bobby bob bob -  February 25, 2011 - 9:31 am

    Obviously it would be a gas giant and if we tried to go to it it would
    1 take too long to get there
    2 its gravitational force would perhaps crush anything on the surface
    3 it is huge

    Reply
  94. ayush -  February 25, 2011 - 9:14 am

    cool

    Reply
  95. e -  February 25, 2011 - 9:14 am

    @berrypride:
    So you’re saying we should just forget tradition and our past to name it something more modernized? Just because we live in the present (which is a fleeting thing, by the way) does not mean we should forget our past. Better to hold onto the past whilst moving towards the future, than forgetting the past and dooming it to repeat.

    Reply
  96. Ames -  February 25, 2011 - 9:09 am

    If I can just try to set the record straight.

    Eris, Sedna, Pluto, etc. are dwarf planets. They are not considered to be large enough to qualify as planets themselves.

    Any massive body anywhere NEAR the size of Jupiter would HAVE to be a gas giant, or it would be torn apart by tidal forces.

    A gas giant is a terrible place to look for potential life forms. It’s far too energetic, and there’s no solid surface (other than the core, which would be under thousands of atmospheres of pressure) on which to evolve.

    “Vulcan” is a myth. I believe a chap named Albert Einstein explained that away using the theory of General Relativity around 90 years ago.

    No, Tyche, if it exists, is NOT IN ANOTHER SOLAR SYSTEM. If we were 20 feet from the sun, the nearest star would be 1000+ miles away.

    STOP WHINING ABOUT PLUTO. IT’S A CHUNK OF ROCK IN SPACE. GET OVER IT.

    @berrypride: What do you want to name it? Bill Gates? iPod? Justin Bieber?

    Reply
  97. Nessus -  February 25, 2011 - 9:08 am

    @berrypride:

    What do you want to name it? Bill Gates? iPod? Justin Bieber?

    Reply
  98. Ames -  February 25, 2011 - 9:05 am

    If I can just try to set the record straight.

    Eris, Sedna, Pluto, etc. are dwarf planets. They are not considered to be large enough to qualify as planets themselves.

    Any massive body anywhere NEAR the size of Jupiter would HAVE to be a gas giant, or it would be torn apart by tidal forces.

    A gas giant is a terrible place to look for potential life forms. It’s far too energetic, and there’s no solid surface (other than the core, which would be under thousands of atmospheres of pressure) on which to evolve.

    “Vulcan” is a myth. I believe a chap named Albert Einstein explained that away using the theory of General Relativity around 90 years ago.

    No, Tyche, if it exists, is NOT IN ANOTHER SOLAR SYSTEM. If we were 20 feet from the sun, the nearest star would be 1000+ miles away.

    STOP WHINING ABOUT PLUTO. IT’S A CHUNK OF ROCK IN SPACE. GET OVER IT.

    Reply
  99. Megan -  February 25, 2011 - 9:01 am

    cool!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

    Reply
  100. totallyawesomedude -  February 25, 2011 - 8:54 am

    “It’s hard to know what is more enjoyable, stories about planets themselves or the meaning behind their names.”

    No this is not a hard thing to know, stories about the planets themselves are more enjoyable……by far….who gives a crap why they named it what they did? I want to know about the planet, what it’s made of, what it looks like and if we plan to research it, not pointlessly drivel on about ancient Greek fairy tails

    Reply
  101. logan -  February 25, 2011 - 8:49 am

    nothing can replace pluto tho… ever

    Reply
  102. Jason -  February 25, 2011 - 8:44 am

    Hard to believe that a new planet 4 times the size of Jupiter in our solar system has JUST been discovered. I’ll believe it when I hear it from a more reliable source.

    Reply
  103. crystal -  February 25, 2011 - 8:35 am

    thats so freakin awesome i wonder if anyone could travel to tyche haha jk lol dammm it must be huge!!!!!!!!!!!!!!!!!!!!!!!!!

    Reply
  104. Nemesisisisssssssssssism -  February 25, 2011 - 8:31 am

    nuh uh i thought dat da moon waz de 9ninth plant?

    Reply
  105. lauren -  February 25, 2011 - 8:20 am

    PLUTO IS A PLANET!!!!!! AND IT ALWAYS WILL BE!

    Reply
  106. GELOINA Manta -  February 25, 2011 - 7:47 am

    THAT IS SO LAME YOU NERDS! GET A LIFE FREAKS! PLANET MORONS! GO TO SCHOOL GET A GIRL/BOY OR SOMETHING!

    Reply
  107. Stan Dupp -  February 25, 2011 - 7:16 am

    It is sad to see how many people appear to get their rocks off by writing gibberish on blogs such as this – there is a case for monitoring it and blocking the silliest ones. I know, who guards the guards?, but the alternative is stuff which can only please those with very low IQs.

    Reply
  108. Michelle -  February 25, 2011 - 7:06 am

    @lordofthegadflies-Eris is another dwarf planet. Like Pluto. But you’re right in that it was only discovered in 2005.

    Reply
  109. c1cat -  February 25, 2011 - 7:01 am

    i dont think tyche will bring us any good fortune

    Reply
  110. Treader -  February 25, 2011 - 6:25 am

    Sweet New planet

    Reply
  111. Ray -  February 25, 2011 - 6:24 am

    That’s not a planet. That’s my space ship! I parked it beyond Pluto so nobody would steal it. Dang! Now I gotta fly all the way out there to move it again. You people with your daggone telescopes get on my last nerve!

    Reply
  112. Nobody -  February 25, 2011 - 5:54 am

    It’s not like we need anymore planets… but I think it would be interesting to find out more about Tyche. And although I know that Pluto isn’t an official planet, I still call it one and there’s nothing wrong with that. Rant all you want it’s not going to change my perspective on Pluto.

    Reply
  113. John -  February 25, 2011 - 5:33 am

    You sure it wasn’t named after Danish astronomer Tycho Brahe (1546-1601)?

    Reply
  114. Dwarf -  February 25, 2011 - 5:28 am

    OmG A New Planet WOw This Is Very Exciting I Cant W8… Will we ever see it in the future..? i wounder.. :) 2 more years and iget to go to the moon

    Reply
  115. John -  February 25, 2011 - 4:36 am

    Is this a repost from TheOnion.com?

    Anyway everything today is great entertainment. Enjoy it!

    Reply
  116. cutiepup12 -  February 25, 2011 - 3:02 am

    awww c’mon ppls! pluto’s a dwarf PLANET

    Reply
  117. plaidalert -  February 25, 2011 - 1:15 am

    A hypothetical planet is interesting, but I’d like to bring this conversation back to Earth: I’m so confused as to why the writer describes the goddess of retribution as “benevolent.” Perhaps a case of the mind thinking one thing, and the fingers typing another! Now that’s MY nemesis.

    Reply
  118. Stefanie -  February 25, 2011 - 1:00 am

    This is a nice article, but I was surprised by a lot of the comments. The article states that there may be a new planet, not that there is a new planet. I read an article about Tyche in a science journal just a couple of days ago. I’m a bit sad to say, but the two astronomers mentioned above, and their hypothesis regarding the existence of the planet Tyche, seems to have been blatantly dismissed by the astronomy community. A lot of experts feel that their evidence does not justify what they are proposing. One even went so far as to infer that the data collected was analyzed with very little skill. That’s the thing about the Academic community; everyone wants to make some great discovery, from the medievalist hoping to find a loss manuscript that holds never before seen literary material, to the astronomer, claiming to have discovered a new planet. But, then again, who knows? Many people once doubted Copernicus and Galileo concerning their hypotheses and we all know how that turned out.

    Reply
  119. jim mg -  February 25, 2011 - 12:41 am

    Unless I am mistaken, when I was on the astronaut team of 1968, we studied the possible existence of this very planet. It is not as far away as it seems and, believe it or not, I was placed on a team of which we were to be shuttled within orbit range of this planet. My guess is we never heard more because of funding shortages. I was later placed on the space station, Neptune’s Village” for 17 months with a Russian federation of delegates.

    Reply
  120. emi -  February 25, 2011 - 12:34 am

    by the way how many are they exactly…..??? *curious* 4rm south africa

    Reply
  121. Van -  February 24, 2011 - 10:49 pm

    I think we should give Dictionary.com the honorary title of Recreational University. What do you say?

    Reply
  122. ie -  February 24, 2011 - 10:10 pm

    i love the name tyche

    Reply
  123. lordofthegadflies -  February 24, 2011 - 10:10 pm

    Weren’t we told a few years ago that there is a planet beyond the orbit of Pluto named Eris?

    Reply
  124. rickyy -  February 24, 2011 - 9:59 pm

    @ mel Pluto is not not a regarded park of out solar system

    Reply
  125. yeah -  February 24, 2011 - 9:56 pm

    4x jupiter, new planet with name meaning fortune, what else can u ask for

    YEAH!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

    Reply
  126. bianca -  February 24, 2011 - 9:55 pm

    to: mel, they arent counting pluto as a planet anymore, they now regard to it as a moon, …..so Tych is the 9! :D

    Reply
  127. berrypride -  February 24, 2011 - 9:50 pm

    Why “Tyche?” It should have a more meaningful and unconventional name. I mean honestly, we can think of something better than that. A new planet discovered in the information age because we have the resources to do so should have a new name, not one that looks towards the past for the future, but at the present.

    Reply
  128. Trey -  February 24, 2011 - 9:32 pm

    Wow….4 times larger than Jupiter? How did we miss this one! Still learning new things about our own solar system…just goes to show you how massive this universe really is!

    @John
    “Why is it so important that we acknowledge the existence of a new planet in our solar system, when we don’t fully understand our home planet earth for instead the Burmuda Triangle we tend to distroy it by polluting it ( which will never happen, because we are just destroying ourselves for nature have a strange way of returning the favor ) putting in mind that we will find another planet where we could go get refuge.
    earth ! have we already forget why it is home ?”

    We study other planets in our solar system and view planets in others so that we can learn more about the history of our own planet, Earth. Astronomy’s important so try not to be so narrow-minded about it!

    Reply
  129. dill -  February 24, 2011 - 9:29 pm

    it is safe to go anywhere, just ignore those naive conspiracy theories, they are not the best source of facts.

    the real issue would me meteorite showers which probes, capsules and space vehicles may face which can be dangerous, but stuff like radiation is irrelevant, whether you’re on Earth or out there, by the way we’re ten thousand million of billion trillion times smaller than an atom if we were the compare the size of Earth to the whole universe. So radiation is there regardless.

    So it is possible to travel to the edge of solar system but space debris, rocks, meteorites can cause showers and damage or destroy the space ship.

    Reply
  130. one who should not be named -  February 24, 2011 - 9:29 pm

    WOW!!!!!A NEW PLANET?!it’s pretty amazing hw a planet and be created and be discovered!i am already going to scicon next week and i am interested in this! TELL ME ABOUT IT SCIENTISTS!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! maybe i should relax alittle or maybe alot:)

    Reply
  131. scott -  February 24, 2011 - 9:18 pm

    Four times the size of Jupiter!!! think about it, must be HUGE!!!Awesome!!!!!!!!! :D

    Reply
  132. Daniel -  February 24, 2011 - 9:15 pm

    Wow! Like this is a surprise to us…For those of you who dont know the Sumerians and the Mayans already knew about this, they even included it in their drawings. However, the Mayans messed up one thing, they thought planet x (Nibiur) was close to the sun. Or it was hiden and could be seen at times when the time is right. If the mayans correctly predicted this then 2012 might as well happen too. After all, the mayans predicted everything that has happened so far.

    Reply
  133. Pete -  February 24, 2011 - 8:48 pm

    Actually, our criteria for planet versus moons are a bit vague. In addition, previous theories may be wrong regarding how many “planets” we have in our solar systems. On our outer rim we previously defined some as plants, but recent research is now considering them to be moons.

    Reply
  134. leo adan ascanio -  February 24, 2011 - 8:42 pm

    AKA, NIBIRU, Planet of the passing, Planet X, WORMWOOD, The Purifier, KACHINA

    Reply
  135. cheer leader Krystal -  February 24, 2011 - 8:40 pm

    Like give me a T give me a Y give me a C give me a H give me a E whats that spell? TYCHE!! Like goooooooo Tyhce!! Like isnt this like so like exciting!!! YAY!!

    Reply
  136. Alex -  February 24, 2011 - 8:14 pm

    i need to update my name.. that planet is huge imma buy a telescope

    Reply
  137. Joshua -  February 24, 2011 - 8:11 pm

    are there people living on that planet. that is so awesome. CCCCCCCCCCOOOOOOOOOOOOOOOOOOOOLLLLLLLLLL!!!!!!!!!!

    Reply
  138. Gonzo -  February 24, 2011 - 8:10 pm

    Maybe Tyche is responsible for global warming, the economic collapse, global unrest, and pattern baldness. It must be made totally of dark matter… like REALLY dark matter. Or, perhaps BS gravitates??

    Reply
  139. YO MAMA -  February 24, 2011 - 7:49 pm

    4 TIMES THE SIZE OF JUPITER?!?!!?!?! OH CRAP

    Reply
  140. whitney -  February 24, 2011 - 7:44 pm

    @Annie:
    If it is that far away, astronots would probably die before they got there.

    Reply
  141. Cory Albrecht -  February 24, 2011 - 7:38 pm

    For a dictionary website I think you need to go look up the difference between “theory” and “hypothesis” in the context of science. In science, the word theory refers to a comprehensive explanation of an important feature of nature supported by facts gathered over time. This planet is hypothetical, not theoretical, and is only very tenuously hypothetical to boot.

    Reply
  142. Crash -  February 24, 2011 - 7:36 pm

    SOOOO COOOOL!!!!!!!!Wait,is this real or is this some mythology fake stuff?

    Reply
  143. David -  February 24, 2011 - 7:35 pm

    Hey mel, nine spaces from the top, they (being astronomers) said that pluto wasn’t a planet anymore due to it’s small size. Well, it’s a dwarf planet, but not a planet planet so to speak (when someone says planet, people think big heavenly bodies). So, based on the 8 planets and dwarf planets, this is technically the ninth now.

    But wow, a new planet 4 times the size of Jupiter? whoa… sounds like a lot of mapping!

    Reply
  144. Brennan -  February 24, 2011 - 7:34 pm

    Bill, duh. If you knew anything about hubble you would know that hubble is made to view extremely distance stars nebulas galxies etc. It is not made to find and view things that are in our solar system, orbiting the sun. That’s the same reason we can’t get a good picture of pluto

    Reply
  145. Marco -  February 24, 2011 - 7:31 pm

    pluto is not a planet anymore guys! that was old news announced years ago. it was finally decided to be too small to be considered a full on planet.

    Reply
  146. Olivia -  February 24, 2011 - 7:24 pm

    And we NOW find it? I wonder if this is true, seeing as in the first sentence, it says “may” as in “not sure” or “unoffical”.

    Reply
  147. someone -  February 24, 2011 - 7:17 pm

    and how do we know if yourmaking this up or not

    Reply
  148. Bryan H. Allen -  February 24, 2011 - 7:16 pm

    “NASA can handle the astronomy…” Really? Or just the astronautics? Yes, NASA’s preponderant post-lunar purpose has been launching and monitoring deep-space probes in service of astronomy, but NASA undertakes little original, independent astronomy, methinks. Well, yes too, NASA seeks to advance extant technology in service of astronomy, but much of that is directed to supporting potential astronautical goals.

    Surely some dissents from that.

    If the extraterrestrial being of jokes were to land and ask “Take me to your leader of astronomy!”, to whom or what would you take tschim, err, him/her? Possibly to the IAU, the International Astronomical Union headquartered in Pais, France (http://En.WikiPedia.org/wiki/International_Astronomical_Union). The IAU is the one which redefined the category of “planet” to exclude Pluto, my dear mel (February 24, 2011 at 2:59 pm).

    My dear Joshua Shostakovitch Braun (February 24, 2011 at 4:27 pm)! It is good to see that Russians and Germans coëxist maritally and that you bear the name of the great composer Шостакович! It is great, modern classical music to my astronomical ears, err, eyes.

    Ach du lieber, more gibberish about Nibiru. Please thoroughly read http://WWW.MichaelSheiser.com/nibirupage.htm!

    Is that shorter than my last preceding scrawl here?

    BHA in L.A., CA, USA

    Reply
  149. someone -  February 24, 2011 - 7:15 pm

    well mel pluto isn’t a planet anymore

    Reply
  150. Tyche LOVER----- -  February 24, 2011 - 7:13 pm

    WOW! TYCHE IS OBIOUSLY A GAS GIANT AND I LOVE IT!! SURE HOPE IT´S TRUE, NOT LIKE THE TINY PLUTO!!!!++++++++++++++++++

    TYCHE!
    T.y.ch.ee

    Reply
  151. Tyche LOVER----- -  February 24, 2011 - 7:13 pm

    WOW! TYCHE IS OBIOUSLY A GAS GIANT AND I LOVE IT!! SURE HOPE IT´S TRUE, NOT LIKE THE TINY PLUTO!!!!++++++++++++++++++

    TYCHE!
    TYCHEEEEEEE

    Reply
  152. Loki -  February 24, 2011 - 7:09 pm

    Mel?Ill awnser.They got rid of pluto as a planet.

    Reply
  153. Ylime -  February 24, 2011 - 7:05 pm

    I thought it was called Sedna…

    Reply
  154. baphomet -  February 24, 2011 - 6:57 pm

    it s actually called nibiru, its in ancient text often refered as the “destroyer” astronomers called it tyche to hide its true name obviously theres something they dont want you to know

    Reply
  155. James Bond -  February 24, 2011 - 6:52 pm

    ohhh come on!….. it’s just a planet

    Reply
  156. Kerry -  February 24, 2011 - 6:48 pm

    Can you post more information about this new planet

    Reply
  157. Mondi -  February 24, 2011 - 6:46 pm

    I am agree with John totally, and also I like to say that even it doesn’t sounds like we don’t take care of our mother earth but we could prepare the new genurations who are coming after we leaving this earth to take care of this in a better way, if it is really left over for them to use.
    I like to show my apperiation to scientist for their hard work and providon for us all the info. I love it, I always enjoyed it, I wish I could be part of it but I’m not…. I guess that alll gooooddd.

    Reply
  158. Blank Nobody -  February 24, 2011 - 6:44 pm

    Wow!
    That’s just plain cool!

    Reply
  159. matthew -  February 24, 2011 - 6:37 pm

    curious that they can see into other galaxies, and yet this “giant” is only just being discovered so close to home, sounds a little far fetched. I wonder whos zodiac this one will govern.

    Reply
  160. reply person -  February 24, 2011 - 6:34 pm

    fail, mel…. THERE ARE EIGHT PLANETS, dummy… mercury, venus, earth, mars, jupiter, saturn, uranus, and neptune… FAIL. PLUTO IS A DWARF PLANET!

    Reply
  161. Bob -  February 24, 2011 - 6:26 pm

    OMG THAT IS A GASS GIANT!!! *BOOM* O_o

    Reply
  162. Jack -  February 24, 2011 - 6:19 pm

    To mel, Pluto is NOT considered a planet. It’s a dwarf planet. Tyche is the official ninth planet.

    Reply
  163. MIKE MESSADO -  February 24, 2011 - 6:12 pm

    WOW FOUR TIMES LARGER THAN JUPITOR!!!!!!!!!!!!!!!!!

    Reply
  164. uranes -  February 24, 2011 - 6:07 pm

    I think it’s smaller than URANES!!!!!!!!!!!!!!!

    Reply
  165. DJ -  February 24, 2011 - 5:59 pm

    thank you bill that is exactly what i was thinking.

    Reply
  166. james -  February 24, 2011 - 5:56 pm

    “Planet X” has been speculated on for sometime now. The idea of the 10th planet being outside Pluto was first proposed in the early 1900s as a way of explaining Pluto’s odd orbit. Even then it was assumed to be a giant, in order to have the gravitational power to effect Pluto but still not be seen by telescope. If there, it will be a gas giant like Jupiter, Saturn, Neptune, Uranus. The other possibility for Planet X is inside the orbit of Mercury. Every few years someone sees a spot crossing in front of the blazing light of the Sun, and then it disappears. That potential body has been called the planet Vulcan, after the Greek blacksmith god.

    Reply
  167. elllie -  February 24, 2011 - 5:42 pm

    i think we should worry about our planet and how we can save it from being destroyed by people who dont care(people mostly care about money) wow new planet its not like we can live there anyways its to far from the sun itll be to cold to live on

    Reply
  168. ABC -  February 24, 2011 - 5:42 pm

    Guys, this is just for MEL(this first sentence), because he think Pluto is a planet, well, hard to break it to you, but is was said that pluto in not a planet any more. It was said like 3 years ago. It is possible, I justs has to be empty out there where is circles earth, and I has to be flying fast! Or else it would slam itself into the Sun, and cause galactic dodgeball, again… trust me, it is not fun. Planets are out of control and slam into each other at a such tremendous force, that it literally smashes them to bits.

    Reply
  169. Anth -  February 24, 2011 - 5:39 pm

    Its on a 36000 year elliptical orbit

    Reply
  170. Anth -  February 24, 2011 - 5:37 pm

    It’s nibiru

    Reply
  171. Maiya -  February 24, 2011 - 5:31 pm

    @ Mel: Pluto is no longer considered a planet as of a few years ago. Try looking it up, it is actually quite interesting. :)

    Reply
  172. nathan -  February 24, 2011 - 5:31 pm

    omg this one is gonna be human friendly and there will be oxygen water plants and more so that could mean the end is here!!!!!O_O hope not

    Reply
  173. Ray -  February 24, 2011 - 5:28 pm

    Highly presumptuous that it should be in prograde orbit like all the other ‘known’ planets … (I’ve already shown that a larger ‘planet’ in retrograde orbit is more likely related to the sunspot cycles, in 1984 research.)

    Oceanus and Tethys are quite a pair: Oceanus aka Ea aka Enki (aka Cainan, because he was sired by Cain) consorted with his grandmother Tethys because he didn’t have a sister right away because of the generation shortening because Anu had moved from Egypt at 40 because Cain owed Shw a son because -you know-…) The name of the daughter Tyche might be T’yche and so related to Er’ish’kigal….

    Reply
  174. Corey -  February 24, 2011 - 5:28 pm

    @ mel:
    Pluto isnt a planet. Its’s been demoted to a planetoid. That would make this the ninth planet.
    @ Alex:
    This article mentioned nothing about visiting Tyche; it is only proposing that it exists.
    @ Bill:
    This planet has not been found yet. The Tyche Theory only proposes that it exists. While Hubble is a magnificent telescope, as it was ten years ago, it is most likely not powerful enough to spot this small of an object this far away. Keep in mind that all planets in other solar systems have so far been discovered by observing the miniscule wobble and dimming they cause to their parent star as they orbit. Tyche is different from these exoplanets because it orbits our own sun and cannot be observed in this way, as we are between our sun and Tyche’s orbit.

    Reply
  175. Nona -  February 24, 2011 - 5:14 pm

    THIS WAS NEVER MENTIONED IN THE NEWS!!!!!!!

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  176. Nona -  February 24, 2011 - 5:13 pm

    WHO WORTE THIS I WOULD LIKE TO KNOW

    Reply
  177. bicarb_soda -  February 24, 2011 - 5:09 pm

    a new planet bigger than jupiter, further out than sedna, i doubt it, must be a new solor system or something

    Reply
  178. Jonah -  February 24, 2011 - 5:05 pm

    Give me more info on the planet send a robot thing to the planet sorry forgot what they called it. Bring some samples back test them and then bring it up level by level. If you get enough info to where you think people can go there you should do it. This is great though I just need more info about the planet.

    Reply
  179. ShadE -  February 24, 2011 - 5:03 pm

    uh pulto is no longer a planet to the one asking how they got ninth planet. obvisouly you dont get out much hmm?

    Reply
  180. Amats -  February 24, 2011 - 5:00 pm

    Nice. But the paragraph points out the name only…

    Reply
  181. Bailey -  February 24, 2011 - 4:51 pm

    Mel, Pluto was demoted a few years ago to “dwarf planet”, hate to tell you. So this new planet would be a ninth and it sounds pretty cool to me.

    Reply
  182. Iansane -  February 24, 2011 - 4:51 pm

    Is everyone who comments on here in kindergarten? Honestly, of course it’s a gas giant; glad you think it’s awesome; it’s probably only as safe for astronauts as any other planet we already have, and the question is irrelevant because we haven’t even found this planet yet; glad you like the paragraph, probably the most relevant comment here, although by no means substantial; what are you even talking about; no they should talk about the name, seeing as this site is called DICTIONARY.com, not NASA.gov; he knows this because it’s his job.

    Anyhow, great article, I wish you had a better reader base. I am glad they have you though, because reading your stuff and maybe learning a thing or two would certainly help.

    Reply
  183. Emmalee -  February 24, 2011 - 4:47 pm

    Wow, new planet? Pretty cool(:

    But I’m not calling it the Ninth planet. I’m calling it the tenth. I, personally, still consider Pluto a planet no matter what. :)

    Reply
  184. Mark Anthony Raymond -  February 24, 2011 - 4:42 pm

    Glad to hear that there’s a new planet!!! Pluto is out but Tyche is in. It’s almost destined for us to have nine planets. I wonder what the symbol for the Tyche might be.
    1. ☿ Mercury
    2. ♀ Venus
    3. ⊕ Earth
    4. ♂ Mars
    5. ♃ Jupiter
    6. ♄ Saturn
    7. ♅ Uranus
    8. ♆ Neptune
    9. Tyche

    Reply
  185. Kharishelgram -  February 24, 2011 - 4:41 pm

    Am I the only one upset that they’re breaking the tradition of Roman deities’ names being used for planets? And since Jupiter was the king of their gods, would that not make the planet Jupiter’s name a misnomer? Perhaps we shouldn’t have ended the Space Shuttle Program so early.

    Reply
  186. Bill -  February 24, 2011 - 4:37 pm

    And your are just finding it? What happen to Hubble’s abilities 10 years ago??

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  187. mee!!!! -  February 24, 2011 - 4:31 pm

    woder wat kind of planet iz it??? ooooo……

    Reply
  188. John -  February 24, 2011 - 4:29 pm

    Why is it so important that we acknowledge the existence of a new planet in our solar system, when we don’t fully understand our home planet earth for instead the Burmuda Triangle we tend to distroy it by polluting it ( which will never happen, because we are just destroying ourselves for nature have a strange way of returning the favor ) putting in mind that we will find another planet where we could go get refuge.
    earth ! have we already forget why it is home ?

    Reply
  189. Joshua Shostakovitch Braun -  February 24, 2011 - 4:27 pm

    I am a astronomer here at Michigan Scientific Research Facility and I think this is a pleasant surprise in the Planet history. This will probably give great resources for this World. I hope we will soon find this whole galaxy(20 years from now) :o)
    Sincerely,
    Joshua Shostakovitch Braun

    Reply
  190. Daniel -  February 24, 2011 - 4:23 pm

    WOW!!!! I cant belive that! But the paragraph was mainly about its name…

    Reply
  191. Elend -  February 24, 2011 - 4:21 pm

    “Tyche’s benevolent sister and nemesis was, well, Nemesis: the goddess of retribution and indignation.”

    How is a goddess of retribution and indignation considered “benevolent”? The description sounds nearer to something that “malevolent” would describe.

    Reply
  192. Camilo -  February 24, 2011 - 4:19 pm

    How is the Nemesis theory different from Tyche theory? It seems they both propose that a large body bigger than jupiter lays out past the Ort cloud.

    Reply
  193. Claytor84 -  February 24, 2011 - 4:18 pm

    Actually a planet can’t really be much “larger” than Jupiter already is–especially not four times the size. It can be more “massive,” but not bigger, because any additional material would just be crushed into a more dense state by the planet’s massive gravity. A star (or even a brown dwarf) could be bigger, but that’s only because different forms of nuclear fusion balance out the condensing caused by gravity.
    Just so you know, the there’s no way the SIZE of Tyche is four times that of Jupiter.

    Reply
  194. Ron -  February 24, 2011 - 4:16 pm

    Wow. Another gaseous planet.

    Reply
  195. J. -  February 24, 2011 - 4:03 pm

    Wow they really said its the ninth planet…sorry but Pluto is still the ninth planet, darn new liberal thinkers telling us “pluto isnt a planet sorry” so Tyche is the TENTH planet! GOOD DAY SIRS AND MADAMS

    Reply
  196. Alex -  February 24, 2011 - 4:02 pm

    If astronauts can’t get to Mars then how are they suppose to get to “Tyche” when it’s located in the ‘outermost reaches’ of the solar system? It’s very interesting though … wonder if it’s actually true.

    Reply
  197. X -  February 24, 2011 - 3:57 pm

    the ancient sumerians said there were 10 planets in our solar system – pluto and the tenth being nibiru

    Reply
  198. The King -  February 24, 2011 - 3:54 pm

    Wow . . . planet Tyche. Four times the size o’ Jupiter, eh?

    Reply
  199. Mish -  February 24, 2011 - 3:45 pm

    Joe, the purpose of the article is to define the name, hence the part in the title where it says, “But what does ‘Tyche’ mean?” This is also a dictionary website, not an astrology one.

    Reply
  200. Andy -  February 24, 2011 - 3:42 pm

    This is interesting

    Reply
  201. kevin -  February 24, 2011 - 3:35 pm

    is this real

    Reply
  202. christie -  February 24, 2011 - 3:16 pm

    WOAH!!!!!!!!!!!!!!!!! NEW PLANET!?!?!? I LUV JUPITER BUT IF I EVER SEE TYCHE ITS MY NEW FAVE!!!!!!!!

    Reply
  203. DD_rockz -  February 24, 2011 - 3:06 pm

    is it a gas planet?

    Reply
  204. mel -  February 24, 2011 - 2:59 pm

    Mars,Venus,Earth,Mercury,Saturn,Neptune,Pluto,Jupiter and Uranus. Those are our nine planets. So do they come up with this one as the ninth planet?

    Reply
  205. Young-Brezy -  February 24, 2011 - 2:47 pm

    …*caughf caughf*…

    Reply
  206. Nate -  February 24, 2011 - 2:40 pm

    is it rock or gas cause id like to see it
    in person no telescope.

    Reply
  207. mike -  February 24, 2011 - 2:39 pm

    i cant believe there is a new type of planet

    Reply
  208. george -  February 24, 2011 - 2:28 pm

    how you know this?

    Reply
  209. Joe -  February 24, 2011 - 2:25 pm

    you should have given more detail on the planet instead of the name

    Reply
  210. fdfsd -  February 24, 2011 - 2:24 pm

    hahahahahaha i changed my commet yay for me

    Reply
  211. Asaad Khan -  February 24, 2011 - 2:21 pm

    This paragraph about Tyche is really good.

    Reply
  212. Annie -  February 24, 2011 - 2:18 pm

    Amazing but is it safe for astronauts to go there?

    Reply
  213. Courtney -  February 24, 2011 - 2:12 pm

    OMG!!!!!!! SO AWESOME

    Reply
  214. Kenzie -  February 24, 2011 - 1:45 pm

    Four times the size of Jupiter?!?! O_O My best guess is that it’s a gas giant.

    Reply

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