asteroid belt

noun

|Updated on: 18 Aug 2018

Definition of asteroid belt

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

Recent Examples of asteroid belt from the Web

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
The asteroid belt is a ring of space debris that orbits around the sun and between Mars and Jupiter.

— 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
Both are in the asteroid belt between Mars and Jupiter.

— marcia dunn, The Seattle Times, "NASA spacecraft sending back close-ups of dwarf planet Ceres," 2 July 2018
Both are in the asteroid belt between Mars and Jupiter.

— Washington Post, "NASA spacecraft sending back close-ups of dwarf planet Ceres," 2 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.