Definition of PRECESSION

Examples of precession in a Sentence

Recent Examples on the Web

However, the Earth has moved on its axis since then, a process known as precession, so now the dates that are used to mark the signs don’t really correspond to the background constellations that give them their signs names. — Olivia B. Waxman, Time, "Where Do Zodiac Signs Come From? Here's the True History Behind Your Horoscope," 21 June 2018 Lescarbault’s sightings were never confirmed, and the perihelion precession of Mercury remained a puzzle for nearly six more decades. — Katia Moskvitch, WIRED, "Troubled Times for Alternatives to Einstein’s Theory of Gravity," 6 May 2018 All other planets orbit the sun in perfect accord with Isaac Newton’s laws of motion and gravitation, but Mercury appeared to advance a tiny amount with each orbit, a phenomenon known as perihelion precession. — Katia Moskvitch, WIRED, "Troubled Times for Alternatives to Einstein’s Theory of Gravity," 6 May 2018 Several years later, a radiophysicist named Paris Herouni performed a series of amateur studies branching off from Parsamian’s, using telescopic methods and the precession laws of Earth. — Karine Vann, Smithsonian, "Unraveling the Mystery of the “Armenian Stonehenge”," 27 July 2017

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