Welcome to Mars (2005) | Full Documentary | NOVA

Mission Control and its two robotic explorers face a daunting task to find proof that liquid water, the essential ingredient of life, once existed on Mars. Welcome to PBS America, a channel curated for an international audience from America's Public Broadcasting Service, PBS. This is a factual focussed channel including award-winning American history, current affairs and science.

Courtesy of PBS America on YouTube. Watch on YouTube ↗

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