Where to Land on Mars? It's not as Easy as It Looks
Mars scientists all agree on one thing: the search is on for landing sites where water was once present on the surface of Mars. The science instruments on the rovers are all geared toward understaning if the planet was warmer and wetter in the past, and for how long. Answering these questions is important to understanding how Earth and Mars have differed in climate and geology throughout their development. Since water is key to living organisms, they also address the potential that life may have developed on Mars long ago.
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Pasadena (JPL) Dec 12, 2001
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