AirDate: 9/8/2019 |
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Overview: 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? |
Alien WorldsShow: The Sky at Night --> Season: 2019 - Season 2019
AirDate: 9/8/2019
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|
Overview: 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? |