loop of retrogression

Definition of loop of retrogression

: the loop in the apparent path of a planet, asteroid, or comet caused by its retrograde motion near opposition to the sun

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Cite this Entry

“Loop of retrogression.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/loop%20of%20retrogression. Accessed 7 Dec. 2021.

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