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]

feb 162013
Rare Explosion Created the Milky Way's Youngest Black Hole

  New data from NASA’s Chandra X-ray Observatory suggest a highly distorted supernova remnant may contain the most recent black hole formed in the Milky Way galaxy. The remnant appears to be the product of a rare explosion in which matter is ejected at high speeds along the poles of a rotating star. W49B is a [continue reading]