Tag Archives: arp 147

Scientists discover black holes weighing 40 billion suns

Arp 147

This NASA image shows a new image of a ring – not of jewels – but of black holes. This composite image of Arp 147, a pair of interacting galaxies located about 430 million light years from Earth, shows X-rays from the NASA’s Chandra X-ray Observatory (pink) and optical data from the Hubble Space Telescope (red, green, blue) produced by ... Read More »