5 years ago
NASA Spots a Second Massive Possible Impact Crater Buried Under Greenland Ice
Hard on the heels of discovering what could be a massive impact crater deep under the Greenland ice sheet, scientists think they may have discovered a second, unrelated such structure nearby. The new suspected impact crater is about 22 miles (36 kilometers) wide and, like the first structure, has not yet been definitively identified as an impact crater. There are many more crater-shaped features on Earth than there are actual craters formed by meteorites slamming into the planet.
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