jul 202013
 
Anne's Image of the Day: Supernova Remnant G306.3-0.9

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]

mrt 172013
 
A New, Very Young Supernova Remnant Found

  While performing an extensive X-ray survey of our galaxy’s central regions, NASA’s Swift satellite has uncovered the previously unknown remains of a shattered star. Designated G306.3-0.9 after the coordinates of its sky position, the new object ranks among the youngest-known supernova remnants in our Milky Way galaxy. This composite of supernova remnant G306.3–0.9 merges [continue reading]