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

The spacecraft, which explored two of the largest objects in the asteroid belt missed its last two check-ins, one on October 31st and another on November 1st. Mary Beth Griggs, The Verge, "NASA’s Dawn spacecraft is dead," 1 Nov. 2018 The rock resides in the asteroid belt and is one of the largest known to man. Fox News, "'Monster' asteroid 4 times than the UK is so close to Earth you can see it - and here's how," 27 June 2018 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

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

24 Nov 2018

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The first known use of asteroid belt was in 1870

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