Tiny and Speedy: 'Homeless' Galaxies Ejected From Clusters

April 23, 2015 9:59 PM

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Like stars that can be ejected from galaxies, resigned to an eternity floating through the darkness of intergalactic space, astronomers have discovered entire galaxies — 11 in total — that underwent some unpleasant gravitational turbulence and flung from their home clusters, marooned in intercluster space.

“These galaxies are facing a lonely future, exiled from the galaxy clusters they used to live in,” said Igor Chilingarian, an astronomer at the Harvard-Smithsonian Center for Astrophysics and Moscow State University.

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