Islands.com on MSN7d
Nevada's Astronaut Training Ground Is An Ancient Volcanic Crater With A Surreal, Moon-Like LandscapeTake a road trip through Nevada to this moon-like crater used by NASA astronauts as a training ground to prepare them for the ...
Two gigantic canyons on the moon — both deeper than the Grand Canyon ... about 1.2 miles deep (1.9 km), the researchers noted. "The lunar landscape is dramatic," David Kring, a geologist ...
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