POLL: Where did Phobos & Deimos come from?

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Where did the Mars moons Phobos & Deimos come from?

  • Captured asteroids from the Asteroid Belt?

    Votes: 12 54.5%
  • Formed around Mars from the original Accretion Disk.

    Votes: 2 9.1%
  • Formed around Mars from debris ejected from Mars by massive impacts?

    Votes: 5 22.7%
  • Different origins, ie, Phobos formed around Mars, Deimos a captured asteroid?

    Votes: 3 13.6%

  • Total voters
    22
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Some more Phobos imagery from ESA Mars Express on the Planetary Image Atlas.





h4348_0000_nd2CrescentPhobosMarsExpress.jpg


h4348_0000_s22CrescentPhobosMarsExpress.jpg


h4381_0000_nd2PhobosMarsExpress.jpg


h4373_0000_gr2PhobosMarsExpress.jpg


h4340_0000_s12PhobosMarsExpress.jpg


Andrew Brown.
 
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