The Sky Tonight

July 15, 2015

A Dark Matter bridge in our cosmic neighborhood
Potsdam, Germany (SPX) Jul 15, 2015
By using the best available data to monitor galactic traffic in our neighborhood, Noam Libeskind from the Leibniz Institute for Astrophysics Potsdam (AIP) and his collaborators have built a detailed map of how nearby galaxies move. In it they have discovered a bridge of Dark Matter stretching from our Local Group all the way to the Virgo cluster - a huge mass of some 2,000 galaxies roughly 50 million light years away, that is bound on either side by vast bubbles completely devoid of galaxies. This ... read more

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