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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.

Inside a specially designed chamber, the researchers recreated the harsh environment found in vast clouds of cosmic dust located thousands of light-years from Earth.

From Science Daily • Jan. 21, 2026

"You've got this small amount of cosmic dust raining down everywhere, but you've also got Earth sediments accumulating pretty fast."

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 outer layer was a meteor-bumper against which particles of cosmic dust would strike and explode without damage to the inner skin.

From Space Platform by Leinster, Murray



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