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Meteors, Asteroids and Comets
Meteor Crater is one of the youngest and best-preserved impact craters on Earth.
09/11/13

 

Meteor Crater is one of the youngest and best-preserved impact craters on Earth. The crater formed roughly 50,000 years ago when a 30-meter-wide, iron-rich meteor weighing 100,000 tons struck the Arizona desert at an estimated 20 kilometers per second. The resulting explosion exceeded the combined force of today's nuclear arsenals and created a 1.1-kilometer-wide, 200-meter-deep crater. Image Credit: U.S. Geological Survey



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