precession

Example Sentences

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The new analysis corrects those measurements and finds no strong evidence for precession, suggesting the oval orbit likely originated during the system's formation rather than being caused by spin effects.

From Science Daily • Mar. 12, 2026

That internal structure controls the planet's slow wobble in space, known as precession.

From Science Daily • Feb. 27, 2026

In ancient times before Earth’s precession shifted the stars toward the south, the stars of Crux were visible from Europe.

From National Geographic • Aug. 23, 2023

Among other things, it was Hipparchus himself who first discovered Earth’s precession, and he modelled the apparent motions of the Sun and Moon.

From Scientific American • Oct. 20, 2022

But modern astrologers have forgotten about the precession of the equinoxes, which Ptolemy understood.

From "Cosmos" by Carl Sagan