Sentences with phrase «called micrometeoroids»
Recent modeling along with previously published results from NASA's MESSENGER spacecraft — short for Mercury Surface, Space Environment, Geochemistry and Ranging, a mission that observed Mercury from 2011 to 2015 — has shed new light on how certain types of comets influence the lopsided bombardment of Mercury's surface by tiny dust particles called micrometeoroids.
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This study also gave new insight into how these micrometeoroid showers can shape Mercury's very thin atmosphere, called an exosphere.