Map of the Universe

Coma Cluster

Galaxy cluster · Cluster of galaxies in the constellation Coma Berenices

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Coma Cluster
Picture: Taavi Niittee/Tõrva Astronoomiaklubi/Tõrva Astronomy Club, CC BY 4.0, via Wikimedia Commons.

About the Coma Cluster

The light we see from it set out 0.328 billion years ago, when the universe was 13.5 billion years old (redshift 0.0231).

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

Over 1,000 galaxies. Fritz Zwicky's 1933 study of its motions gave the first evidence for dark matter.

Key numbers

Distance (comoving, today)0.332 billion light-years (102 Mpc)
Redshift z0.0231
Light travel time0.328 billion years
Universe's age when this light left13.5 billion years
Distance methodredshift (Planck 2018 cosmology)
Supergalactic coordinatesSGL 89.6°, SGB +8.3°

Where it is

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

Zoom out to see it in context: Laniakea, a view about 850 million light-years across.

From Wikipedia

The Coma Cluster is a large cluster of galaxies that contains over 1,000 identified galaxies. Along with the Leo Cluster, it is one of the two major clusters comprising the Coma Supercluster. It is located in and takes its name from the constellation Coma Berenices.

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

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