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Archive for July 19, 2015

Dead galaxies in Coma Cluster may be packed with dark matter

Coma Cluster
Coma Cluster

This artist’s impression of the ‘quenching’ process shows how a normal blue (star-forming) galaxy lost its gas while falling into the Coma Cluster very early on in its formation.
Image credit goes to: Ameron Yozin, ICRAR/UWA

Galaxies in a cluster roughly 300 million light years from Earth could contain as much as 100 times more dark matter than visible matter, according to an Australian study. The research, published today, used powerful computer simulations to study galaxies that have fallen into the Coma Cluster, one of the largest structures in the Universe in which thousands of galaxies are bound together by gravity.

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