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Return to Mars
Happy Birthday, Opportunity (Webcast)
Date: December 11, 2005
Running Time: 00:47:21

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On December 11, 2005, Opportunity, one of the twin rovers exploring Mars, celebrated its first Martian birthday. Opportunity had been on the red planet 687 Earth days, which is one Martian year. (A year is the time it takes a planet to make a complete loop around the sun). Join us for a look back over the those 687 days of discovery: what we learned, what we saw, and what questions remained unanswered.
Learn about ongoing missions to Mars and the long history of Mars exploration! Beginning in August 2012, we’ll present a series of webcasts about the Mars Science Laboratory mission and the newest rover, Curiosity. In over 30 previous webcasts, we’ve reported on the activities and discoveries of the Mars Exploration Rovers, Spirit and Opportunity, and the Mars Phoenix Lander. We also explore our changing perceptions of the red planet and envision how a human being would experience Mars.