Galaxy rotation curve

Rarity: Uncommon

A topic a little better known than average, read and translated beyond its own country.

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

Class

Notion

Domain

Science and technology

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Nobody has pulled it yet.

What Wikipedia says

The rotation curve of a disc galaxy (also called a velocity curve) is a plot of the orbital speeds of visible stars or gas in that galaxy versus their radial distance from that galaxy's centre.

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

Image: WOtP, CC BY-SA 3.0, via Wikimedia Commons.