Map of the Universe

Bullet Cluster

Galaxy cluster · Two colliding clusters of galaxies in constellation Carina

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Bullet Cluster
Picture: User:Mac_Davis, Public domain, via Wikimedia Commons.

About the Bullet Cluster

The light we see from it set out 3.49 billion years ago, when the universe was 10.3 billion years old (redshift 0.296).

The map lists it as a galaxy cluster and shows it at the scale of the large-scale universe, drawn on the supergalactic plane.

Two colliding clusters whose dark matter has separated from their hot gas: direct evidence that dark matter exists.

Key numbers

Distance (comoving, today)3.97 billion light-years (1,218 Mpc)
Redshift z0.296
Light travel time3.49 billion years
Universe's age when this light left10.3 billion years
Distance methodredshift (Planck 2018 cosmology)
Supergalactic coordinatesSGL 205.7°, SGB -49.8°

Where it is

Its place in the universe, from the inside out: Observable universe.

Zoom out to see it in context: Cosmic web, a view about 11 billion light-years across.

From Wikipedia

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.

Excerpt from the Wikipedia article Bullet Cluster, licensed CC BY-SA 4.0.

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