Two NASA and one European spacecraft have gathered new information about the basic properties of a wayward comet that buzzed by Mars Oct. 19, directly detecting its effects on the Martian atmosphere. Debris from the comet, known officially as Comet C/2013 A1 Siding Spring, caused an intense meteor shower and added a new layer of ions, or charged particles, to the ionosphere.
Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/A...
Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/A...