exoplanet
a planet that revolves around a star other than the sun.
Origin of exoplanet
1Other words from exoplanet
- ex·o·plan·e·tar·y, adjective
Words Nearby exoplanet
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use exoplanet in a sentence
The atmospheres of super-Earths are an astronomer’s window into exoplanet composition.
Skywatch: What’s happening in the heavens in February | Blaine P. Friedlander Jr. | January 30, 2021 | Washington PostScientists would love to travel to these exoplanets to investigate whether any of them have matched Earth’s billion years of climate stability.
Earth Has Stayed Habitable for Billions of Years. Exactly How Lucky Did We Get? | Toby Tyrrell | January 21, 2021 | Singularity HubTo do that, she says, she had to first calculate its mass—a routine part of conducting transmission spectroscopy, which astronomers use to analyze the chemical makeup of exoplanets.
Spacey ‘super puffs’ are changing our understanding of how planets form | Neel Dhanesha | January 20, 2021 | Popular-ScienceThe observatory will detect light from the first generation of galaxies that formed in the early universe after the big bang and study the atmospheres of nearby exoplanets for possible signs of habitability.
Mars missions, a super-powered telescope, and more exciting 2021 space events | Paola Rosa-Aquino | January 7, 2021 | Popular-ScienceScientists can detect this change in orbital speed over the orbit for exoplanets using different techniques.
We’re the Cosmic 1 Percent But Our Solar System Isn’t a Complete Weirdo - Facts So Romantic | Sean Raymond | January 5, 2021 | Nautilus
Gliese 581g seemed to be the first rocky exoplanet to orbit its host star at the right distance for liquid water on its surface.
The story of Gliese 581g highlights how hard exoplanet-hunting is, and how science at its best is self-correcting.
Now the verdict is in: Gliese 581g is an ex-planet, not an exoplanet.
exoplanet astronomy—the search for planets orbiting other stars—has two major goals.
The same group of astronomers has also inferred a type of exoplanet that fits in between the rocky planets and the gas giants.
British Dictionary definitions for exoplanet
/ (ˈɛksəʊˌplænɪt) /
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
Scientific definitions for exoplanet
[ ĕk′sō-plăn′ĭt ]
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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