Why is Mars the most tempting planet for human exploration? No other known planet is more like Earth. And it’s close enough to get there in less than a year using currently available technology.

For many scientists, the main reason to go to Mars is simple: to look for life. Today, Mars is cold and dry, but millions of tons of liquid water once flowed on its surface—meaning life could have thrived there. And there could still be liquid water underground, where some form of life might linger to this day.

This video is available for use in the Beyond Planet Earth Video Contest.
vimeo.com/groups/beyondplanetearth

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