Season 3 · Episode 4 of 13
Aired Apr 6, 1959
Twin Stars
Mon, Apr 6, 1959
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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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Airs
Mon, Apr 6, 1959
Show
The Sky at Night
848 episodes
Episode
S3 · E4
in The Sky at Night