Dictionary.com
Thesaurus.com

extrasolar

American  
[ek-struh-soh-ler] / ˌɛk strəˈsoʊ lər /

adjective

  1. outside, or originating outside, the sun or the solar system.


extrasolar British  
/ ˌɛkstrəˈsəʊlə /

adjective

  1. occurring or existing beyond the earth's solar system

"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

Etymology

Origin of extrasolar

First recorded in 1885–90; extra- + solar 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

"Fomalhaut cs2 looks exactly like an extrasolar planet reflecting starlight," Kalas said.

From Science Daily • Jan. 1, 2026

“We’re on this long-term goal to try and figure out the frequency and nature of extrasolar moons in the universe,” Kipping says.

From Scientific American • Jan. 13, 2022

And unlike many extrasolar discoveries, this object was not found through indirect methods — the subtle wobbling of a star revealing the presence of an orbiting planet, for example.

From New York Times • Jul. 23, 2021

El descubrimiento de un planeta extrasolar con condiciones similares a las de la Tierra desencadena en una épica batalla con una armada de origen desconocido.

From Los Angeles Times • Sep. 20, 2019

Leave the solar system and start looking for an extrasolar Earthlike planet.”

From "Ready Player One: A Novel" by Ernest Cline

Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

Remember "extrasolar" for good with VocabTrainer. Expand your vocabulary effortlessly with personalized learning tools that adapt to your goals.

Take me to Vocabulary.com