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Articles sur Asteroids

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This image shows meteors that skimmed the atmosphere during just one night in March this year.

Equivalent to 1,800 tonnes of TNT: what we now know about the meteor that lit up the daytime sky above New Zealand

When the meteor exploded into pieces above New Zealand, it produced a shock wave strong enough to be picked up by earthquake seismometers. But any fragments have likely dropped into the ocean.
A giant asteroid struck Earth and wiped out the dinosaurs 65 million years ago. Mark Garlick/Science Photo Library via Getty Images

An asteroid impact could wipe out an entire city – a space security expert explains NASA’s plans to prevent a potential catastrophe

NASA has only mapped 40% of the potentially dangerous asteroids that could crash into Earth. New projects will boost that number, and upcoming missions will test tech that could prevent collisions.

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