News tagged with cluster of galaxies

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A possible signal from dark matter?

(Phys.org) —Galaxies are often found in groups or clusters, the largest known aggregations of matter and dark matter. The Milky Way, for example, is a member of the "Local Group" of about three dozen galaxies, ...

Aug 12, 2014 4.5 / 5 (65) 98

Hubble image: Don't trust your eyes

(Phys.org)—The Universe loves to fool our eyes, giving the impression that celestial objects are located at the same distance from Earth. A good example can be seen in this spectacular image produced by ...

Dec 31, 2012 4.5 / 5 (13) 39 | with audio podcast