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Micrometeoroid
A micrometeoroid is a tiny meteoroid: a small particle of rock in space, usually weighing less than a gram. A micrometeorite is such a particle that survives passage through Earth's atmosphere and reaches Earth's surface.
The term "micrometeoroid" was officially deprecated by the IAU in 2017, as redundant to meteoroid.[1]
- ^ IAU Commission F1 (April 30, 2017). "Definition of terms in meteor astronomy" (PDF). International Astronomical Union. Retrieved 25 Jul 2020.
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