The meteor - estimated to be about 10 tons - entered the Earth's atmosphere at a hypersonic speed of at least 54,000 kph (33,000 mph) and shattered into pieces about 30-50 kilometers (18-32 miles) ...
In this frame grab made from a video done with a dashboard camera a meteor streaks through the sky over Chelyabinsk, about 1500 kilometers (930 miles) east of Moscow Friday. A meteor that scientists ...
A group of scientists recently published a paper that considers options for dealing with the asteroid — one of which includes a nuclear “disruption” An asteroid may hit the moon in 2032 — and some ...
A paper from several NASA scientists and other researchers explores whether an asteroid with a 4% chance of hitting the moon ...
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