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Following the re-measurement of the distance to the nearest star system-the Andromeda Galaxy-as 2.2 million light years, Patrick Moore discusses with Henry Brinton how these enormous distances are calculated.
Episode 10
Following the re-measurement of the distance to the nearest star system-the Andromeda Galaxy-as 2.2 million light years, Patrick Moore discusses with Henry Brinton how these enormous distances are calculated.
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