Chandra Has Been X-Raying the Universe for 15 Years
When the Chandra X-ray Observatory celebrates a launch anniversary, it goes big with exploding stars and rotating neutron stars. Today marks 15 years of precision X-ray investigations of stars, galaxies, black holes, neutron stars, and even dark energy. NASA celebrates with supernova and pulsars. Chandra is a space telescope launched on July 23, 1999 on…