RT @universetoday: Wait a Minute, Dark Matter May Not be Dark After All news.discovery.com/space/galaxies… by @astroengine via @DNews http://t.co/hoTxehFKxo
RT @universetoday: Wait a Minute, Dark Matter May Not be Dark After All news.discovery.com/space/galaxies… by @astroengine via @DNews http://t.co/hoTxehFKxo