View Full Version : Hubble Spots Mysterious Dark Matter ‘Core’

2012-Mar-02, 07:50 PM
Astronomers are left scratching their heads over a new observation of a “clump” of dark matter apparently left behind after a massive merger between galaxy clusters. What is so puzzling about the discovery is that the dark matter collected into a “dark core” which held far fewer galaxies than expected. The implications of this discovery [...]

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