A Naval Research Laboratory (NRL) scientist is part of a team that has recently discovered that vast clouds of hot gas are ?sloshing? in Abell 2052, a galaxy cluster located about 480 million light years from Earth. The scientists are studying the hot (30 million degree) gas using X-ray data from NASA?s Chandra X-ray Observatory and optical data from the Very Large Telescope to see the galaxies. Quelle: ad-hoc… [weiterlesen]