comet

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.

Capturing a comet in the act of fragmenting is something the team had long hoped to achieve.

From Science Daily • Mar. 21, 2026

However, another theory proposed that a comet or asteroid impact over North America triggered the event.

From Science Daily • Mar. 20, 2026

New research shows that the structure formed when an asteroid or comet struck the region roughly 43 to 46 million years ago.

From Science Daily • Mar. 11, 2026

Swift detected hydroxyl when the comet was nearly three times farther from the Sun than Earth is, well beyond the region where surface ice would normally turn directly into vapor.

From Science Daily • Feb. 11, 2026

But an impact with a large comet, such as Hailey’s Comet, whose nucleus is perhaps twenty kilometers across, should occur only about once every billion years.

From "Cosmos" by Carl Sagan