grand canyon, Moon and Asteroid
1h
Hosted on MSNScientists discover massive underwater crater that is 3x larger than the Grand CanyonAbout 35 million years ago, an asteroid struck the ocean off the East Coast of North America, leaving behind a massive impact ...
WASHINGTON, Feb 4 (Reuters) - The Grand Canyon in Arizona is one of ... in diameter, larger than the asteroid that struck Earth 66 million years ago and doomed the dinosaurs.
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