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The Sky at Night

Season 63 · Episode 8

Alien Worlds

7.0September 8, 2019

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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Episodes

Episode 1Beyond Pluto
Episode 2Is Cosmology in Crisis?
Episode 3Marsquake!
Episode 4Supermassive Black Hole
Episode 5Return to the Moon
Episode 6The Moon, the Mission and the BBC
Episode 7Space Mission Special
Episode 8Alien Worlds
Episode 9Question Time
Episode 10Rosetta: The Comet's Tale
Episode 11Review of the Year