perigee

noun
peri·​gee | \ ˈper-ə-(ˌ)jē How to pronounce perigee (audio) \

Definition of perigee

: the point in the orbit of an object (such as a satellite) orbiting the earth that is nearest to the center of the earth also : the point nearest a planet or a satellite (such as the moon) reached by an object orbiting it — compare apogee

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Other Words from perigee

perigean \ ˌper-​ə-​ˈjē-​ən How to pronounce perigean (audio) \ adjective

Examples of perigee in a Sentence

Recent Examples on the Web

The closest point in its orbit is called the perigee. Shannon Schmoll, Washington Post, "Something amazing will happen with the moon on Jan. 31," 28 Jan. 2018 Interestingly, the moon will also be very close to Earth during these celestial events; lunar perigee occurs just over 5 hours after new moon. Joe Rao, Space.com, "Friday the 13th Eclipse Visible to Lucky Few," 11 July 2018 The spacecraft, built by Orbital ATK, will conduct thruster burns at apogee (farthest point from Earth) and perigee (closest point to Earth) for 4 or 5 orbits. Jay Bennett, Popular Mechanics, "SpaceX Launch of NASA's TESS Space Telescope Scrubbed Until Wednesday (Updated)," 16 Apr. 2018 The lunar event was heralded as the #SuperBlueBloodMoon because the moon is near its perigee, or the closest point in its orbit to the Earth, according to EarthSky.org. Christine Clarridge, The Seattle Times, "People across Seattle area got up early to see #SuperBlueBloodMoon — but saw clouds instead," 31 Jan. 2018 Starting with the first adjective, a supermoon occurs when the moon reaches peak fullness during its perigee, a.k.a. Caroline Picard, Good Housekeeping, "Look Up! A Super Blue Blood Moon Is Coming in January," 28 Dec. 2017 According to EarthSky tonight's supermoon will also be the closest perigee of the year. Leigh Morgan, AL.com, "Supermoon 2018: First of two full supermoons in January is tonight," 1 Jan. 2018 When a full moon occurs right at perigee, it is known as a supermoon. Jason Samenow, Washington Post, "The full Hunter’s Moon rises Friday night and crowns a king tide," 3 Nov. 2017 The term supermoon refers to a full moon that coincides with the lunar orb’s closest approach to Earth, or perigee. Bill Ingalls, National Geographic, "11 Striking Pictures of This Week's Supermoon," 14 Nov. 2016

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'perigee.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of perigee

1595, in the meaning defined above

History and Etymology for perigee

Middle French, from New Latin perigeum, from Greek perigeion, from neuter of perigeios near the earth, from peri- + earth

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The first known use of perigee was in 1595

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More Definitions for perigee

perigee

noun

English Language Learners Definition of perigee

technical : the point in outer space where an object traveling around the Earth (such as a satellite or the moon) is closest to the Earth

More from Merriam-Webster on perigee

Britannica.com: Encyclopedia article about perigee

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