Asteroid 2019 OK: The Little Doomsday - Stuff To Blow Your Mind

The near-Earth object (NEO) known as Asteroid 2019 OK just made an unexpected close pass, raising the hair on the back of humanity’s collective neck. In this episode of Stuff to Blow Your Mind, Robert and Joe weigh the risks posed by other NEOs and discuss what we’re doing to track them and even stop an incoming doomsday rock. 

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