outer space


Definition of outer space

: space immediately outside the earth's atmosphere broadly : interplanetary or interstellar space

Examples of outer space in a Sentence

a satellite in outer space Is there life in outer space?

Recent Examples on the Web

The three-page document cites everything from decreased unemployment to pulling out of the Paris climate deal to calling for a defense force for outer space. Edward Felsenthal, Time, "The Story Behind President Donald Trump's 29th TIME Cover," 20 June 2019 The announcement promises settings like a safari, jungle, ocean and outer space, plus a chance to shop. Adam Lukach, RedEye Chicago, "Puerto Rican People's Parade and Vampire Weekend — here are 5 things to do this weekend in Chicago," 13 June 2019 Jeff Bezos and Elon Musk are racing to send people into outer space and eventually to the moon and Mars. Konrad Putzier, WSJ, "Space Rockets Spark Property Boom on Florida Coast," 21 May 2019 However, in 1991, the physicists David Seckel, Todor Stanev and Thomas Gaisser of the University of Delaware hypothesized that the sun would nonetheless glow in gamma rays, because of cosmic rays that zip in from outer space and plunge toward it. Quanta Magazine, "The Sun Is Stranger Than Astrophysicists Imagined," 1 May 2019 Scientists sketch out research bases that could take root on the Red Planet. 'Mysterious radio bursts' in outer space detected by alien-hunting artificial intelligence. Fox News, "FOX NEWS FIRST: 'Monster' Florence could bring historic flooding; McConnell warns GOP faces midterm 'knife fight'," 12 Sep. 2018 Children drew rainbows, animals, princesses, scribbles and life in outer space. Author: Lauren Ellenbecker, Anchorage Daily News, "Anchorage artists leave downtown street chalk-full of color," 24 June 2019 One of the best ways to figure out how to respond to the tremors deep inside our planet is to observe their effects from far away in outer space. Chase Purdy, Quartz, "Scientists are turning to space to better understand how to respond to earthquakes," 18 June 2019 Hotel workers—rather, cast members—will be in costume, playing various roles from the Star Wars universe, and every window in the hotel will offer a view of outer space. John Gilpatrick, Popular Mechanics, "Everything We Know About the Future of Star Wars," 10 May 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'outer space.' 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 outer space

1842, in the meaning defined above

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Statistics for outer space

Last Updated

12 Jul 2019

Look-up Popularity

Time Traveler for outer space

The first known use of outer space was in 1842

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More Definitions for outer space

outer space


English Language Learners Definition of outer space

: the region beyond the Earth's atmosphere in which there are stars and planets

outer space


Kids Definition of outer space

: the region beyond earth's atmosphere and especially beyond the solar system

More from Merriam-Webster on outer space

Nglish: Translation of outer space for Spanish Speakers

Comments on outer space

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