deep space


Definition of deep space

: space well outside the earth's atmosphere and especially that part lying beyond the earth-moon system

Examples of deep space in a Sentence

Recent Examples on the Web

The feds have sunk a lot of money into the Space Launch System, a mega-rocket built to NASA specs for deep space missions. Joe Pappalardo, Popular Mechanics, "3 Reasons Why Today's Space Race Is Better Than Apollo," 24 June 2019 Beyond that is the Luna Service to the moon’s surface and Voyager Service into deep space for $12,500 each. Richard Tribou,, "SpaceX Falcon Heavy payload includes 152 human remains," 24 June 2019 The exploration of deep space by flesh-and-blood human beings no longer looks inevitable. Anchorage Daily News, "What the Space Age taught us: Earth is the best of all possible worlds," 23 June 2019 Instead, the origin was an area of deep space well beyond our galactic neighborhood. Yvette Cendes, Discover Magazine, "What Are FRBs? The Discovery of Mysterious Signals From the Cosmos," 7 Feb. 2019 The video showed the Roadster slowly rotating against a backdrop of deep space and the brilliant blue planet below, spectacular images that made the stream one of the most watched in YouTube history. William Harwood, CBS News, "SpaceX Falcon Heavy launch puts on spectacular show in maiden flight," 6 Feb. 2018 The first launch of the rocket in 2018 sent SpaceX CEO Elon Musk’s Tesla into deep space. Richard Tribou,, "SpaceX Falcon Heavy goes vertical ahead of planned Monday launch: report," 19 June 2019 Michoud’s latest project is the Space Launch System, NASA’s new mega-rocket designed to take humans beyond Earth’s orbit and into deep space. Jennifer Larino,, "A New Orleans-area firm’s ‘radiation shield’ could save astronaut lives," 19 June 2019 After that, political interest in sending humans into deep space waned, and funding for such missions dried up. Jason Davis, NBC News, "NASA's Artemis program will return astronauts to the moon and give us the first female moonwalker," 11 June 2019

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

circa 1952, in the meaning defined above

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Statistics for deep space

Last Updated

8 Jul 2019

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Time Traveler for deep space

The first known use of deep space was circa 1952

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