Season 3 · Episode 4
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Twin Stars
Mon, Apr 6, 1959
Patrick Moore and Roger Griffin talk about these pairs of suns revolving round each other, and how they help astronomers to measure the masses of the stars.
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Mon, Apr 6, 1959
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The Sky at Night
848 episodes
Episode
S3 · E4
in The Sky at Night
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The Shape of our Galaxy
S3 · E5
The Shape of our Galaxy
Mon, May 4, 1959