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Questions tagged [synodic-period]

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How are various orbital period measured?

How are the sidereal periods and synodic periods of celestial bodies measured from earth? The usual definition of the sidereal period of a celestial body is the time it takes to complete one ...
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Birthday question

For X, this month in 2024, he has his 46th birthday on Earth, and, in the same day, it is his 191st birthday on Mercury. How often this happens? Reedit: what is the relation between the orbital ...
riemannium's user avatar