Cosmic dust (Planetary science 🪐)

Cosmic dust – also called extraterrestrial dust, space dust, or star dust – is dust that occurs in outer space or has fallen onto Earth. Most cosmic dust particles measure between a few molecules and 0.1 mm, such as micrometeoroids. Larger particles are called meteoroids. Cosmic dust can be further distinguished b...

https://en.wikipedia.org/wiki/Cosmic_dust

#CosmicDust #Astrobiology #Astrochemistry #PlanetaryScience #GalacticAstronomy #ExtragalacticAstronomy