Wait a Minute, Dark Matter May Not be Dark After All

April 14, 2015 11:04 PM

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A new study carried out by the ESO’s Very Large Telescope and the NASA/ESA Hubble Space Telescope has revealed for the first time that dark matter may well interact with itself — a discovery that, at first glance, seems to contradict what we thought we knew about the nature of this invisible mass.

Using the advanced MUSE instrument at the VLT and Hubble, astronomers were able to zoom in on 4 colliding galaxies within the galaxy cluster Abell 3827. This cluster is huge and is often the hunting ground for enigmatic gravitational lenses.

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