How the Universe Works: Most Amazing Discoveries

42mAired 2016-11-22

From the furthest reaches of space to our own cosmic backyard, we count down the discoveries that changed everything we know about our universe.

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How the Universe Works: Most Amazing Discoveries

Most Amazing Discoveries

Mystery of Planet 9

Black Holes: The Secret Origin

Secret History of Pluto

Stars That Kill

The Universe's Deadliest

Life and Death on the Red Planet

The Dark Matter Enigma

Strangest Alien Worlds