asteroid belt

noun

Definition of asteroid belt 

: the region of interplanetary space between the orbits of Mars and Jupiter in which most asteroids are found

Examples of asteroid belt in a Sentence

Recent Examples on the Web

Confirming the rocket firing, SpaceX released initial data indicating the Roadster was headed for an elliptical orbit around the sun with a high point, or aphelion, out in the asteroid belt, well beyond the orbit of Mars. William Harwood, CBS News, ""Starman" and Tesla heading for deep space," 7 Feb. 2018 How could this process result in bodies the size of those in the asteroid belt, let alone whole planets? Sarah Kaplan, chicagotribune.com, "Many asteroids might be remnants of 5 destroyed worlds, scientists say," 3 July 2018 Both are in the asteroid belt between Mars and Jupiter. Marcia Dunn, OrlandoSentinel.com, "NASA's Dawn spacecraft sending back close-ups of dwarf planet Ceres," 3 July 2018 Asteroids are orbiting the sun, and most come from the asteroid belt, a region between Mars and Jupiter. NBC News, "Stopping 'Armageddon': This former astronaut is on a mission to save Earth from deadly asteroids," 10 July 2018 Astronomers have discovered more than 400,000 asteroids in the main asteroid belt between Mars and Jupiter, the new study's researchers told Space.com. Fox News, "Meteorites on Earth may come from just a handful of early lost worlds," 4 July 2018 Both are in the asteroid belt between Mars and Jupiter. Marcia Dunn, OrlandoSentinel.com, "NASA's Dawn spacecraft sending back close-ups of dwarf planet Ceres," 3 July 2018 This finding matches other observations of the asteroid belt, said David Nesvorny, a planetary scientist at SWRI who was not involved with Dermott's study. Sarah Kaplan, chicagotribune.com, "Many asteroids might be remnants of 5 destroyed worlds, scientists say," 3 July 2018 Launched in 2007, the Dawn spacecraft traveled for years to the asteroid belt between Mars and Jupiter, first visiting an asteroid named Vesta in 2011. Loren Grush, The Verge, "NASA’s Dawn probe is about to get into its closest orbit yet around the dwarf planet Ceres," 1 June 2018

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

1870, in the meaning defined above

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Last Updated

13 Oct 2018

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The first known use of asteroid belt was in 1870

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