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Season 32 · Episode 9 of 13 Aired Aug 21, 1988

Watch This Space

Sun, Aug 21, 1988
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How 'empty' is space? Astronomers used to think that there was no material between the stars, or between the galaxies; they now know that there is a great deal. Patrick Moore talks about interstellar material to Professor Alec Boksenberg, Director of the Royal Greenwich Observatory.

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Sun, Aug 21, 1988

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The Sky at Night

848 episodes

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S32 · E9

in The Sky at Night