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Definitions

cosmic dust

NOUN
small particles of matter found in outer space
Synonyms


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.

"The star has so little carbon that it suggests an early sprinkling of cosmic dust is responsible for making it," said Ji.

From Science Daily • Apr. 4, 2026

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

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

From Space Scoop • Mar. 27, 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

The earth draws in this cosmic dust continuously, but the earth now never parts with a particle of its mass.

From The Story of the Heavens by Ball, Robert S. (Robert Stawell), Sir



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