S9·E6 How Long is a Day?
Core
Aired June 4, 1965
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Synopsis
Recent studies suggest that the day on Mercury may be two months long. Patrick Moore discusses how this affects our ideas of conditions on Mercury, and how its length of day compares with that of other planets.
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Frequently Asked Questions
When did Season 9 Episode 6 of The Sky at Night air?
Season 9, Episode 6 ('How Long is a Day?') originally aired on June 4, 1965.
How long is Season 9 Episode 6 ('How Long is a Day?')?
The episode follows the standard broadcast runtime for The Sky at Night.
What happens in The Sky at Night Season 9 Episode 6?
Recent studies suggest that the day on Mercury may be two months long. Patrick Moore discusses how this affects our ideas of conditions on Mercury, and how its length of day compares with that of other planets....
All The Sky at Night episode ratings Season 9 Where to watch
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