regolith

noun

reg·o·lith ˈre-gə-ˌlith

: unconsolidated residual or transported material that overlies the solid rock on the earth, moon, or a planet

Examples of regolith in a Sentence

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With its last vestiges of battery charge, the lander will record the lunar sunset and a phenomenon last observed during the final Apollo mission, in which magnetic forces agitate the regolith across the surface as the sun fades behind the horizon. —

Josh Dinner, Space.com, 31 Jan. 2025 McCoy explains that the parent asteroid was formed partly of ice, and over the millennia, this ice was melted by heat from the decay of radioactive elements in the asteroid’s regolith. —

Tom Hawking, Popular Science, 29 Jan. 2025 These include a vacuum to collect lunar dust, a drill to measure subsurface temperatures, and a device to help astronauts manage the Moon's abrasive regolith. —

Michael Gfoeller and David H. Rundell, Newsweek, 15 Jan. 2025 Lunar horizon glow occurs when photons from the sun react with the moon’s soil, or regolith, causing electrostatic particles to float. —

Jackie Wattles, CNN, 15 Jan. 2025 See all Example Sentences for regolith