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sidereal period

noun
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variants: or sidereal revolution

Definition of sidereal period

: the time in which a planet or satellite completes one revolution round its primary as referred to a star seen from the primary

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“Sidereal period.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sidereal%20period. Accessed 24 Oct. 2020.

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