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Season 63 · Episode 8 of 11 Aired Sep 8, 2019

Alien Worlds

Sun, Sep 8, 2019
0 of 11 watched this season
Next: S63 E9

Astronomers have found more than 4,000 planets circling stars other than our own. What do we know about these alien worlds and how have we managed to detect them?

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Airs

Sun, Sep 8, 2019

Show

The Sky at Night

848 episodes

Episode

S63 · E8

in The Sky at Night