SN 1604, Kepler's Supernova, X-Ray

2013 21st century acis advanced ccd imaging spectrometer astronomy burst of radiation celestial body chandra x ray observatory cxc deep sky deep space exploding star keplers nova keplers nova keplers star keplers star keplers supernova remnant keplers supernova remnant keplers supernova keplers supernova sn 1604 sn snr stellar explosion supernova 1604 supernova remnant supernova x ray astronomy x ray detection x ray emission x ray image x ray observation