A 'city-killer' asteroid got scarily close to Earth yesterday, and astronomers didn't know about it until it was just days away

The threat of asteroids is very real and scary, but we also have the resources to mitigate this threat

A 'city-killer' asteroid got scarily close to Earth yesterday, and astronomers didn't know about it until it was just days away

Picked by @LukeLango, liked by 2 other people.

About: 2019, 2019 OK, A, about, and, apocalypse, asteroid, asteroids, asteroids, astronomers

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