S21·E12 Why Do the Planets Shine?
Synopsis
All the bright planets are now visible in the early morning sky. Some of them seem to outshine the stars, and yet they have no light of their own. They shine only by reflecting the light of the sun. The different ways in which they reflect the sunlight tell us a great deal about the planets themselves. Patrick Moore talks about the reflecting powers of the planets and what they can tell us with Dr Peter Cattermole of Sheffield University.
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Frequently Asked Questions
When did Season 21 Episode 12 of The Sky at Night air?
Season 21, Episode 12 ('Why Do the Planets Shine?') originally aired on November 23, 1977.
How long is Season 21 Episode 12 ('Why Do the Planets Shine?')?
The episode follows the standard broadcast runtime for The Sky at Night.
What happens in The Sky at Night Season 21 Episode 12?
All the bright planets are now visible in the early morning sky. Some of them seem to outshine the stars, and yet they have no light of their own. They shine only by reflecting the light of the sun. The different ways in which they reflect the sunlight tell us a great deal about the planets themselv...
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