: very fine particles of solid matter found in any part of the universe
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What to know about Saturn, 2nd largest planet in solar system
The sixth planet from the sun, Saturn is of course famed for its rings – composed of billions of small chunks of ice and rock coated in cosmic dust.—Eric Lagatta, USA Today, 26 Mar. 2026 Within the galactic structure are prominent central dark lanes of cosmic dust.—Robert Lea, Space.com, 3 Mar. 2026 Building up a database To make the cosmic dust, Losurdo started with nitrogen, carbon dioxide and acetylene — a colorless, odorless gas made up of carbon and hydrogen.—Jacopo Prisco, CNN Money, 6 Feb. 2026 Glowing gas and dust NGC 2264 contains vast clouds of hydrogen gas mixed with thick cosmic dust.—Aamir Khollam, Interesting Engineering, 25 Dec. 2025 See All Example Sentences for cosmic dust