exoplanet [ek-soh-plan-it] EXAMPLES|WORD ORIGIN noun Astronomy. a planet that revolves around a star other than the sun. Liberaldictionary.com
Origin of exoplanet First recorded in 1970–75; exo- + planet Related formsex·o·plan·e·tar·y, adjective Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019 Examples from the Web for exoplanet Contemporary Examples of exoplanet
Now the verdict is in: Gliese 581g is an ex-planet, not an exoplanet.
The Exoplanet That Wasn’t There
Matthew R. Francis
July 6, 2014
Exoplanet astronomy—the search for planets orbiting other stars—has two major goals.
The Exoplanet That Wasn’t There
Matthew R. Francis
July 6, 2014
The same group of astronomers has also inferred a type of exoplanet that fits in between the rocky planets and the gas giants.
Mega-Earth Is the Weirdest Exoplanet Yet
Matthew R. Francis
June 8, 2014
Imagine, though, a Saturn-mass exoplanet with a Titan-sized moon orbiting its star within the habitable zone.
Could ‘Star Wars’ Be Right About Habitable Moons?
Matthew R. Francis
May 4, 2014
On Thursday, researchers announced the discovery of Kepler-186f, an Earth-like exoplanet orbiting in a “habitable zone.”
What Does the Discovery of “Another Earth” Mean for Us?
Matthew R. Francis
April 18, 2014
British Dictionary definitions for exoplanet exoplanet noun a planet that orbits a star in a solar system other than that of Earth Collins English Dictionary – Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 exoplanet in Science exoplanet [ĕk′sō-plăn′ĭt] See extrasolar planet. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.