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Evidence of Life On Mars Could Come from Martian Moon Phobos


ScienceDaily (June 29, 2012) — A mission to a Martian moon could return with alien life, according to experts at Purdue University, but don’t expect the invasion scenario presented by summer blockbusters like “Men in Black 3” or “Prometheus.”

The image shows the orbits of the Martian moons Phobos and Deimos and the spread of potential particle trajectories from an asteroid impact on Mars. (Credit: Purdue University image/courtesy of Loic Chappaz)
 

“We are talking little green microbes, not little green men,” said Jay Melosh, a distinguished professor of earth, atmospheric and planetary sciences and physics and aerospace engineering at Purdue. “A sample from the moon Phobos, which is much easier to reach than the Red Planet itself, would almost surely contain Martian material blasted off from large asteroid impacts. If life on Mars exists or existed within the last 10 million years, a mission to Phobos could yield our first evidence of life beyond Earth.”

Read more : http://www.sciencedaily.com/releases/2012/06/120629015408.htm