cosmic dust

American  

noun

Astronomy.

1. fine particles of matter in space.

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cosmic dust British  

noun

1. fine particles of solid matter occurring throughout interstellar space and often collecting into clouds of extremely low density See also nebula

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Etymology

Origin of cosmic dust

First recorded in 1880–85

Example Sentences

See Examples For:

cosmic dust

"By making cosmic dust in the lab, we can explore the intensity of ion impacts and temperatures involved when dust forms in space," Professor McKenzie said.

From Science Daily ● Jul. 19, 2026

The team also plans to assemble a detailed database of infrared fingerprints produced by different types of laboratory made cosmic dust.

From Science Daily ● Jul. 19, 2026

Webb's infrared view captures the expanding shell of material left behind by the explosion, along with clouds of cosmic dust spread across the remnant.

From Science Daily ● Jul. 4, 2026

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

The clouds of cosmic dust swirled and foamed around the familiar jewels of his own sky.

From The Colors of Space by Bradley, Marion Zimmer