What is the stellar day?

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Sidereal time is a time-­keep­ing system as­tronomers use to keep track of the di­rec­tion to point their tele­scopes to view a given star in the night sky. It is a time scale that is based on the Earth's rate of rotation measured relative to the fixed stars rather than the Sun.

Answers distribution

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answers
flagRussia
86%
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flagFinland
81%
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flagFrance
78%
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flagthe United Arab Emirates
78%
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flagUkraine
75%
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flagRepublic of Ireland
69%
15%
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flagNorway
69%
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flagthe United Kingdom
67%
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flagGermany
66%
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7%
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flagthe Philippines
66%
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flagPoland
64%
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flagthe Netherlands
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flagSpain
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flagCanada
61%
7%
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flagUnknown
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flagthe United States
54%
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flagIndia
54%
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flagAustralia
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flagSweden
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flagItaly
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Gender

men64%
women60%
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64%
60%
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20%
18%
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9%
11%
26 h 05 min 11 s
5%
8%

Details

Author: Krzysztof Moskal
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