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A surprising discovery on the Moon could provide crucial insight into the planet’s early history. The South Pole-Aitken Basin ...
A giant impact crater on the moon may contain primordial pieces of the lunar mantle and remnants of an ancient magma ocean, ...
After I retired, I returned to my boyhood avocation, systematically exploring many of North America’s impact craters from the air and on foot: the Barringer Crater in Arizona, Pilot Lake Crater ...
Today, though, he's made the two-hour drive from Knoxville to show me around a terrestrial crater, the Middlesboro Impact Structure ... origin of Canyon Diablo in Arizona, a nearly mile-wide ...
Credit: NASA/GSFC/University of Arizona A giant impact crater on the moon may contain primordial pieces of the lunar mantle and remnants of an ancient magma ocean, researchers say. Crewmembers on ...