apr 142014
Anne's Image of the Day: Supernova Remnant W49B

  April 14, 2014 W49B, a supernova remnant in Aquila Image Credits: X-ray: NASA/CXC/MIT/L.Lopez et al.; Infrared: Palomar; Radio: NSF/NRAO/VLA W49B (also known as SNR G043.3-00.2 or 3C 398) is a highly distorted supernova remnant of some 60 light years across – produced by a rare type of explosion – located somewhere between 26,000 and [continue reading]