The Monuments of Mars: A City on the Edge of Forever, 4th Edition
Description:
In 1976, NASA sent four Viking spacecraft to Mars to photograph the planet and test for the presence of life. One of the orbiters photographed a mile-long mesa that uncannily resembled a human face. Hoagland takes readers step by step through the NASA images and evidence that a former civilization may have lived on Mars. Photos, maps, and charts.
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