Contact binary

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

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Science and technology

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What Wikipedia says

In astronomy, a contact binary is a binary star system whose component stars are so close that they touch each other or have merged to share their gaseous envelopes. A binary system whose stars share an envelope may also be called an overcontact binary.

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

Image: Philip D. Hall, CC BY-SA 4.0, via Wikimedia Commons.