WASHINGTON (AP) — A pristine distant comet created a once-in-8-million-year fireworks show above Mars last month. But no one got to see it live.
http://news.yahoo.com/nasa-comet-bombarded-mars-sky-meteor-shower-200846341.html

WASHINGTON (AP) — A pristine distant comet created a once-in-8-million-year fireworks show above Mars last month. But no one got to see it live.
http://news.yahoo.com/nasa-comet-bombarded-mars-sky-meteor-shower-200846341.html