Apophis’s Fly By

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Image: Apophis’s trajectory

 

April 13, 2029
Asteroid 99942 Apophis will pass 21,557 miles from Earth—5,000 miles closer than most weather satellites. It will be visible to the naked eye. At that time, Earth’s gravity may perturb the 820-foot asteroid’s motion and magnify its chance of returning to hit us on April 13, 2036.

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