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The Sky at Night - Season 63 Episode 8 Alien Worlds

Trailer
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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First Air Date: Apr 24, 1957

Last Air date: Oct 13, 2025

Season: 69 Season

Episode: 846 Episode

Runtime: 30 minutes

IMDb: 8.30/10 by 13.00 users

Popularity: 12.6922

Language: English

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