cosmic dust

NOUN

small particles of matter found in outer space

Synonyms

WEAK

meteor dust space dust

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.

"During the last ice age, there was almost no cosmic dust in the Arctic sediments," he said.

From Science Daily • Nov. 13, 2025

A study published on November 6 in Science shows that identifying where this cosmic dust appears, and where it is missing, offers clues about how sea ice coverage has changed over thousands of years.

From Science Daily • Nov. 13, 2025

Most of the emitted light, for example visible light and X-ray, get blocked by thick layers of cosmic dust and can’t pass through the accretion disk around them.

From Space Scoop • Mar. 27, 2025

Unlike visible light, radio waves from hot gasses are not blocked that easily by cosmic dust.

From Space Scoop • Mar. 27, 2025

"Now haven't I as much right to light on Earth as on any other bit of cosmic dust?"

From The Wit and Humor of America, Volume IV. (of X.) by Wilder, Marshall Pinckney