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cometary

  • a word derived from 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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“This is due to the fact that fireballs originate from larger particles of cometary material.”

From Los Angeles Times Jul. 29, 2025

"The chemical compositions of the melt splashes suggest that Ryugu's hydrous silicates mixed with cometary dust."

From Science Daily Jan. 23, 2024

The outburst may result from a rare case of icy volcanism on a comet—uncorked by solar heating of volatile gases trapped under cometary crusts.

From Scientific American Jul. 26, 2023

In the same paper, Loeb theorized the acceleration could have been a result of cometary outgassing, but said it was unlikely because there was no evidence for a cometary tail around it.

From Salon Mar. 26, 2023

There the Sun heats it, the ice is vaporized, and a lovely cometary tail develops.

From "Cosmos" by Carl Sagan

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