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Perseus cluster

American  

noun

Astronomy.
  1. a cluster of about 500 galaxies in the direction of the constellation Perseus, grouped around a particular Seyfert galaxy that is an intense radio source Perseus A.


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Much of the material normally needed to form stars, primarily hydrogen gas, was likely stripped away by gravitational interactions with other galaxies in the crowded Perseus cluster.

From Science Daily ● Feb. 21, 2026

The Perseus cluster, located 240 million light-years away from Earth, is one of the Universe's most massive structures, boasting thousands of galaxies.

From Science Daily ● May 23, 2024

The first scientific pictures from the Euclid satellite mission have revealed more than 1,500 billion orphan stars scattered throughout the Perseus cluster of galaxies.

From Science Daily ● May 23, 2024

There are more than 100,000 galaxies in the telescope’s first snapshot of the Perseus cluster, including extremely faint ones that were never seen before.

From Scientific American ● Nov. 8, 2023

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