Cosmic dust

Rarity: Rare

A topic known well beyond its field, found in many languages.

Rarity follows how well known the article is: its views on the French and English Wikipedia over a year, and the number of languages it exists in.

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What Wikipedia says

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 (100 μm), such as micrometeoroids (<30 μm) and meteoroids (>30 μm).

Excerpt from the Wikipedia article “Cosmic dust”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: The original uploader was Amara at English Wikipedia., CC BY 1.0, via Wikimedia Commons.