asteroid belt

[ as-tuh-roid belt ]

Phonetic (Standard)IPA

noun

, Astronomy.

the region in space between the orbits of Mars and Jupiter, containing the greatest population of asteroids in our solar system: comprising about half the mass of the asteroid belt are its four largest asteroids, namely, Ceres, Pallas, Vesta, and Hygieia.

asteroid belt

A region of the solar system between the orbits of the planets Mars and Jupiter . Most asteroids are found in the asteroid belt.

First recorded in 1865–70

The Asteroid Belt in the Solar System has many such gaps, created by the gravity of the Sun and Jupiter.

A majority of these meteorites comes from collisions in the asteroid belt between Mars and Jupiter.

The company was a blue-chip mining operation working the beryllium-rich asteroid belt out of San Francisco.

The blond-haired cadet left the room, and Strong wearily turned back to study the chart of the search in the asteroid belt.

Tom quickly glanced around to locate his position by the stars and saw that he was close to the asteroid belt.

We're too near the asteroid belt to use the Polaris without radar, so we'll search in jet boats.

Repeatedly, ships were attacked on the fringe of the asteroid belt and stripped of armor, food supplies, and valuables.

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