NASA Science News for July 20, 2001

On July 20, 1976, NASA's Viking 1 lander parachuted safely to the surface of Mars, revealing an alien world that continues to puzzle scientists and tempt explorers.

FULL STORY and GRAPHICS at:

http://science.nasa.gov/headlines/y2001/ast20jul_1.htm?list154233

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Contact: Tony Phillips[email protected]

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