The Sky at Night - Season 2019 Episode 8 Alien Worlds
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?
Runtime: 30:45 Min
Quality: HD
First Air Date: Apr 24, 1957
Last Air Date: Nov 11, 2024
Episode: 273 Episode
Season: 43 Season
Keyword : universe
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