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Forum:Publications & Multimedia
Topic:Red Planet Rover (Discovery Channel documentary)
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NASA's Curiosity was sent to solve one of the greatest mysteries of science – did life ever exist on Mars? It's an audacious mission with no margin for error. And like most things, making history hasn't been easy.

The Curiosity rover mission marks the beginning of what may only be the beginning to the story of life on Mars. Curiosity looks to uncover how Mars evolved over billions of years. Was it once -- and could it be now -- habitable for life?

Bombarded by radiation, Mar's surface is cold, dry and lethal. But it wasn't always this way. Billions of years ago, life might have had a chance. Of all the planets in the solar system, only two have been in liquid form at some time: Earth and Mars. Both were enriched by all the chemicals necessary to create human form.

"When we look at Mars, we have to wonder did life happen there as well? If so, what happened to it?" asked Gentry Lee, a veteran JPL engineer. "If life evolved first on Mars, what's the possibility that life was knocked off of Mars and carried all the way to the planet Earth? Perhaps you and I and everything that's living on the planet Earth are Martians!"

In its time on Mars, Curiosity has gone to Gale Crater – a basin three miles deep and a hundred miles across – and with an 18,000-foot mound in the middle called Mount Sharp. And Curiosity found signs of past water, as well as key chemical ingredients for microbial life, in a spot called Yellowknife Bay.

We've been searching for Martians since the Space Age began. Now this latest evidence may finally help solve those ever-enduring questions – Is there life beyond Earth? And are we really alone?

"Red Planet Rover" is produced by MDTV Productions for Discovery Channel. Mark Davis is executive producer for MDTV Productions. Howard Swartz serves as vice president of Production and Development for Discovery.

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