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Thread: Asteroid Sheila Sprouts a Tail and Coma

  1. #1
    Join Date
    Jul 2003

    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 [...]


  2. #2
    Join Date
    Apr 2008
    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
    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
    Join Date
    Apr 2008
    Water ice seems to be assumed. Ross

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