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comets

  • plural
    of comet.
    comet
    noun
    a celestial body moving about the sun, usually in a highly eccentric orbit, consisting of a central mass surrounded by an envelope of dust and gas that may form a tail that streams away from the sun.

Example Sentences

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Halley's Comet is one of the most famous comets in our Solar System and has been observed from Earth for centuries.

From BBC ● Sep. 30, 2026

In fact, its methanol abundance exceeds that seen in almost all known comets from our own solar system.

From Science Daily ● Sep. 9, 2026

These small icy grains effectively behave like miniature comets.

From Science Daily ● Sep. 9, 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

It is a remarkable thought that that distant tiny twinkle has enough gravity to hold all these comets in orbit.

From "A Short History of Nearly Everything" by Bill Bryson

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