NASA's Mars Exploration Rover Opportunity captured images of a comet passing much closer to Mars than any previous known comet flyby of Earth or Mars. The images of comet Siding Spring were taken against a backdrop of the pre-dawn Martian sky on Sunday (Oct. 19).
Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/o...
Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/o...