Ison Comet

mfb

It looks unlikely that C/2013 A1 (Siding Spring) is an issue for the rovers and satellites at mars, unless it comes extremely close or hits Mars. See this article for details.

ISON will come close to Mars (0.07 AU) as well, but without a reasonable impact probability.

1977ub

How often have we found "dynamically new comets" before this?

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mfb Mentor	Ison Comet It looks unlikely that C/2013 A1 (Siding Spring) is an issue for the rovers and satellites at mars, unless it comes extremely close or hits Mars. See this article for details. ISON will come close to Mars (0.07 AU) as well, but without a reasonable impact probability.

1977ub	How often have we found "dynamically new comets" before this?