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Why No One ­nder 20 Has Experienced a Day Without Nasa at Mars


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Mars Pathfinder lander, Sojourner rover

This portion of a classic 1997 panorama from the IMP camera on the mast of NASA's Mars Pathfinder lander includes "Twin Peaks" on the horizon, and the Sojourner rover next to a rock called "Yogi."

Credit: NASA/JPL

As the Mars Pathfinder spacecraft approached its destination on July 4, 1997, no NASA mission had successfully reached the Red Planet in more than 20 years.

From Jet Propulsion Laboratory/NASA
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