Perseus–Pisces Supercluster

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.

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What Wikipedia says

The Perseus–Pisces Supercluster (SCl 40) or Perseus–Pisces Filament is one of the largest known structures in the universe. Even at a distance of 250 million light-years, this chain of galaxy clusters extends more than 40° across the northern winter sky.

Excerpt from the Wikipedia article “Perseus–Pisces Supercluster”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Powell, Richard, CC BY-SA 2.5, via Wikimedia Commons.