Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

“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

Newton seems to have believed that the Earth’s oceans are of cometary origin, and that life is possible only because cometary matter falls upon our planet.

From "Cosmos" by Carl Sagan