cosmic dust

noun

: very fine particles of solid matter found in any part of the universe

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Observing with X-rays, which can penetrate cosmic dust, offers a way around this problem. —

Carlyn Kranking, Smithsonian Magazine, 23 July 2024 Warm hydrogen glows pinkish-purple in the image, while cosmic dust, composed of tiny grains of siliceous (rocky) and carbonaceous (sooty) material, appears reddish-brown. —

Phil Plait, Scientific American, 14 June 2024 Although the existence of dust in space continues to be surrounded by intrigue, an international team of astronomers recently identified a type Ia supernova creating cosmic dust. —

Jack Knudson, Discover Magazine, 9 Feb. 2024 Its imagers, which include the Near-Infrared Camera and Mid-Infrared Instrument, allow JWST to look beyond cosmic dust and sense weak and ancient light from up to 13 billion years ago, just 800,000 years after the universe was born. —

Popular Science, 12 July 2023 See all Example Sentences for cosmic dust