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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

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

One of the most fundamental building blocks in the universe, cosmic dust is a vital ingredient to the growth of a galaxy.

From Science Daily • Jan. 17, 2024

A second position held by Helmholtz, Lord Kelvin, and others, suggests that minute living creatures may have come to the earth from elsewhere, in the cracks of a meteorite or among cosmic dust.

From The Outline of Science, Vol. 1 (of 4) A Plain Story Simply Told by Thomson, J. Arthur