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asteroids

  • plural
    of asteroid.
    asteroid
    noun
    any of millions of small celestial objects revolving around the sun, often irregularly shaped and having a great range in size, from as small as 6 feet (2 meters) across to about 620 miles (998 kilometers) across: the vast majority of known asteroids exist within the asteroid belt.

Example Sentences

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The "capture" hypothesis meanwhile postulates that the moons are asteroids from the outer Solar System that were captured by Mars' gravity.

From Barron's ● Aug. 16, 2026

This occurs when the Earth passes through trials of debris from asteroids or comets.

From BBC ● Aug. 12, 2026

Meteor showers happen when the Earth passes through trails of debris from asteroids or comets - a snowball of frozen rock and gas orbiting the Sun.

From BBC ● Aug. 11, 2026

Those samples contain substantial evidence that briny fluids once existed just beneath the surfaces of their parent asteroids.

From Science Daily ● Aug. 8, 2026

When the solar system is all explored, we will probably have evidence for impact catastrophism on all nine worlds, from Mercury to Pluto, and on all the smaller moons, comets and asteroids.

From "Cosmos" by Carl Sagan