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Thread: Asteroid Sheila Sprouts a Tail and Coma

  1. #1
    Join Date
    Jul 2003
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    Asteroid Sheila Sprouts a Tail and Coma

    When is an asteroid not an asteroid? When it turns out to be a comet, of course. Has this ever happened before? Why, yes it has. In fact it was just announced December 12, 2010 that the asteroid (596) Sheila has sprouted a tail and coma! This is likely a comet that has been masquerading [...]

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  2. #2
    Join Date
    Apr 2008
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    596 Scheila is currently 3.1 AU from the Sun. That seems to be well outside the snow line. How is ice sublimating to create the tail and coma? Ross

  3. #3
    Join Date
    Jul 2006
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    Which particular kind of ice are you talking about Ross?
    Time wasted having fun is not time wasted - Lennon
    (John, not the other one.)

  4. #4
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    Water ice seems to be assumed. Ross

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