
July 20, 2013 G306.3-0.9, a supernova remnant in Centaurus Image Credit: X-ray: NASA/CXC/Univ. of Michigan/M. Reynolds et al; Infrared: NASA/JPL-Caltech; Radio: CSIRO/ATNF/ATCA G306.3-0.9 (named after the coordinates of its sky position) is a faint supernova remnant of about 25 light-years across, located some 26,000 light-years from Earth in the southern constellation of Centaurus. The explosion’s [continue reading]