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 In 1979, a messenger arrived from deep space: satellites detected a mysteriously short and powerful flash of gamma rays, the highest-energy form of light. Meagan Cantwell, Science | AAAS, "How highly magnetized neutron stars set off powerful cosmic explosions," 23 Apr. 2021 Is there enough graphene, for example, to blanket the atmosphere and become visible from deep space? Caroline Delbert, Popular Mechanics, "Elon Musk Could Help Aliens Notice Humans, Study Says," 1 Apr. 2021 In other words, a long stretch of the movie is devoted to glum prodigies sulking in deep space. Joe Morgenstern, WSJ, "‘Voyagers’ Review: 2063: A Spaced-Out Odyssey," 8 Apr. 2021 Through the program, Ejenta has begun a new engagement to develop technology for NASA focused on communicating and managing health in deep space. Forbes, "Startup Adapts AI Used In Space To Advance Healthcare On Earth," 6 Apr. 2021 Since 2010, IceCube, a detector frozen in the ice beneath the South Pole, has snared neutrinos from deep space. Daniel Clery, Science | AAAS, "Neutrino hunters go underwater in quest to trap ghost particles," 31 Mar. 2021 The Campbell store also featured a pyramid, this one of the Egyptian variety, while still another shop featured a flying saucer sticking out from the storefront, as if crash-landed from deep space. Chase Difeliciantonio, San Francisco Chronicle, "'It was a geek paradise': Remembering the quirky appeal of Fry's Electronics," 24 Feb. 2021 But each time, scientists have questioned whether the signals were coming from lightning or another source, such as flashes of particles from deep space known as cosmic rays, or from noise created by the scientific instruments themselves. Robin George Andrews, Science, "Does lightning strike on Venus? Mysterious flash may help solve puzzle.," 28 Dec. 2020 Arecibo was more than an exquisitely sensitive ear tuned to pick up faint radio waves from deep space. Charlie Wood, Popular Science, "The Arecibo Observatory collapsed this week. What now?," 4 Dec. 2020

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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Time Traveler for deep space

Time Traveler

The first known use of deep space was circa 1952

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Statistics for deep space

Last Updated

27 Apr 2021

Cite this Entry

“Deep space.” Dictionary, Merriam-Webster, Accessed 5 May. 2021.

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