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Near-Earth asteroids

The newly discovered 2022 AP7 orbits the Sun every five years, and currently crosses Earth's orbit when Earth is on the other side of the Sun from it. Eventually its motion will synchronize with that of Earth and it will pass much closer in a few hundred years
DART, which is the world's first attempt to change the speed and trajectory of an asteroid in space, is trying a method to deflect asteroids that could be useful if such a need arises in the future to protect Earth. 
A large impact crater under the North Atlantic Ocean reveals - the deadly asteroid was not alone
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