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Encke's comet

American  
[eng-kuhz, -keez] / ˈɛŋ kəz, -kiz /

noun

  1. a comet, discovered by J.L. Pons, with a period of 3.3 years, the shortest period known.


Etymology

Origin of Encke's comet

Named after Johann F. Encke (1791–1865), German astronomer

Example Sentences

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Some, like Encke's comet, which makes a pass around the sun every 3.3 years, have relatively small orbits.

From Time Magazine Archive

The comet is now known as Encke's comet.

From The New Gresham Encyclopedia Volume 4, Part 2: Ebert to Estremadura by Various

The following table is extracted from Arago’s tract on Comets, and represents the variations of the diameter of Encke’s comet at different distances from the sun,—the radius of the orbis magnus being taken as unity.

From Outlines of a Mechanical Theory of Storms Containing the True Law of Lunar Influence by Thomas Bassnett

Even admitting no other kind of opposition than that dubiously supposed to have affected Encke's comet, the result in shortening the period ought to be of the most marked kind.

From A Popular History of Astronomy During the Nineteenth Century Fourth Edition by Agnes M. (Agnes Mary) Clerke

But the calculation of the perturbations of Encke's comet is so extremely intricate that Asten's result is not of great value.

From The Story of the Heavens by Sir Robert S. (Robert Stawell) Ball

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