Hypothetical Planets

By Miss Cellania in Science & Tech on Mar 3, 2008 at 11:38 am

150_planetThroughout history, astronomers have observed heavenly bodies or some evidence of them that later “vanished”. Or did they? Hypothetical planets include:

* Vulcan, the intra-Mercurial planet
* Mercury’s Moon
* Neith, the Moon of Venus
* The Earth’s Second Moon
* The Moons of Mars
* The 14th Moon of Jupiter
* Saturn’s Ninth and Tenth Moons
* Six Moons of Uranus
* Planet X
* Nemesis, the Sun’s companion star
* References

Each has a story. Link -via Dark Roasted Blend

(image credit: NASA)


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  1. Ali S.
    Mar 3rd, 2008 at 12:39 pm

    I can imagine having two Moons for the Earth. I’m sure we’d be experiencing longer nights or rather more likely more night like phases. However, the Sci-fi junkie in me is wondering how cool it would be to see two Moons in the sky…regardless of the pull on the tidal waves! ;)

  3. Crake
    Mar 3rd, 2008 at 3:41 pm

    I’d love to see Planet References.

  4. Video Game Dork
    Mar 3rd, 2008 at 4:21 pm

    Hey! What about the planet on the opposite side of the sun from earth?
    :P

  5. pyx
    Mar 3rd, 2008 at 5:07 pm

    “Six Moons of Uranus.”

    Tee-hee!

  6. Thai
    Mar 3rd, 2008 at 5:36 pm

    Moons don’t give you nights. Suns give you days. When you don’t see sun, you have night.

  7. Ali S.
    Mar 3rd, 2008 at 5:45 pm

    @ Thai

    If there was another moon we may end up with an Eclipse like setting which plunges people into a “night-like” setting.

  8. CheeseDuck
    Mar 3rd, 2008 at 6:23 pm

    Only 14 moons on Jupiter?

  9. Onym
    Mar 3rd, 2008 at 8:56 pm

    you know, if you shrunk the solar system down to scale with Pluto touching your toes and Mercury at the top of your head, Uranus is exactly where you’d think it would be.

  10. SE
    Mar 3rd, 2008 at 9:21 pm

    One minute – why isn’t Pluto on that list? It was thought to be a planet, but then taken away.
    Anybody else miss it?

  11. just a guy
    Mar 4th, 2008 at 2:49 am

    Pluto isn’t a ‘hypothetical planet’, it’s a classified ‘dwarf planet’. Pluto’s existence is not a theory, thus ‘hypothetical’ doesn’t apply as an adjective.


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