Hubble Spots Mysterious Dark Matter 'Core' - Universe Today
[/caption]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 … Continue reading "Hubble Spots Mysterious Dark Matter ‘Core’"