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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.

Its highly sensitive infrared instruments can detect faint galaxies that earlier telescopes could not see, allowing astronomers to peer farther back in time and through thick clouds of cosmic dust.

From Science Daily • May 12, 2026

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

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

Sixty brave men were dancing motes of cosmic dust before the shocked commander could sound the recall.

From When the Sleepers Woke by Zagat, Arthur Leo



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