Planetesimal

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.

At a glance

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Science and technology

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What Wikipedia says

Planetesimals () are solid objects thought to exist in protoplanetary disks and debris disks. Believed to have formed in the Solar System about 4.6 billion years ago, they aid study of its formation.

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

Image: Merikanto, CC0, via Wikimedia Commons.