micrometeorite
Americannoun
noun
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The university said the pits may be connected to underground cave networks that could provide natural shelter from harmful radiation and micrometeorite impacts, as well as harbour water ice.
From BBC ● Oct. 8, 2025
"The micrometeorite collisions trigger chemical reactions on magnetite and lead to the formation of the iron nitride."
From Science Daily ● Dec. 1, 2023
It added that its equipment had registered "the event of a micrometeorite impact".
From Reuters ● Aug. 19, 2023
“Everything at the surface is subject to harsh radiation, possible meteorite or micrometeorite bombardment and really large day-to-night temperature swings,” she said.
From New York Times ● Oct. 29, 2022
Multiple layers also better protect against micrometeorite hits.
From Seattle Times ● Dec. 23, 2021
Orbital debris and micrometeorites are hazards because they can puncture the space data center, and a worst-case collision could destroy it and create even more space debris.
From Science Daily ● Jun. 19, 2026
Members of the School of Physics and Astronomy from the University of Kent are hoping to find micrometeorites - dust sized particles which have made it through the earth's atmosphere.
From BBC ● Sep. 4, 2023
It was not clear whether they were hit by micrometeorites or had manufacturing defects.
From Washington Post ● Apr. 25, 2023
That would protect its mirror from micrometeorites of the sort that have already struck JWST.
From Science Magazine ● Jan. 9, 2023
You know, of course, that we are constantly being bombarded by cosmic dust, the micrometeorites that always prove troublesome to the Earth satellites and space platforms.
From The Secret of the Ninth Planet by Wollheim, Donald Allen
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
