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The Sky at Night
BBC Four

S17E10: The Moon Illusion

The Sky at Night · 1973
Aired 18 Sep 1973 at 9:00pm (UTC)
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Synopsis

How big do you see the full moon? Near the horizon, it appears larger than when it is high in the sky - but this is not due to magnification by the earth's atmosphere. Patrick Moore discusses this with Professor Richard Gregory

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