ZME Science6h
The moon has its own Grand Canyon that was created in just 10 minutes
Two such lunar canyons, Vallis Schrödinger and Vallis Planck, stretch over 270 km (168 miles) each, with depths of 2.7 km ...
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Scientists Uncover a Colossal Underwater Impact Crater Three Times the Size of the Grand Canyon
In an extraordinary breakthrough, scientists have discovered a massive underwater crater buried beneath the waters of the Chesapeake Bay that is three times the size of the Grand Canyon. This ancient ...