NOVA

The Milky Way and Andromeda Galaxies will Someday Collide

Clip: Season 48 Episode 16 | 2m 56s | Video has closed captioning.

Astronomers estimate that in about 4.5 billion years, the Milky Way and Andromeda galaxies will collide. Here's how it'll happen.

Aired: 11/03/21

Rating: NR

Problems Playing Video? | Closed Captioning

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