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Examples of cosmic dust in a Sentence
Recent Examples on the Web
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
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Word History
First Known Use
1881, in the meaning defined above
Dictionary Entries Near cosmic dust
Cite this Entry
“Cosmic dust.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cosmic%20dust. Accessed 5 Nov. 2024.
Kids Definition
cosmic dust
noun
: very fine particles of solid matter found in any part of the universe
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