Bullet Cluster photograph

Bullet Cluster

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Distance to Earth3. 721 billion light years
Number of galaxies ~40
Distance (co-moving)1. 141 Gpc (3. 7 billion light-years).
X-ray flux5. 6 ± 0. 6 × 10−19 watt/cm2 (0. 1–2. 4 keV).
ICM temperature17. 4 ± 2. 5 keV
X-ray luminosity1. 4 ± 0. 3 × 1039 h50−2 joule/s (bolometric).
Date of Reg.
Date of Upd.
ID2355924
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About Bullet Cluster


The Bullet Cluster consists of two colliding clusters of galaxies. Strictly speaking, the name Bullet Cluster refers to the smaller subcluster, moving away from the larger one. It is at a comoving radial distance of 1. 141 Gpc.

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