A small, dense object only twelve miles in diameter is responsible for this beautiful X-ray nebula that spans 150 light years.
At the center of this image made by NASA’s Chandra X-ray Observatory is a very young and powerful pulsar, known as PSR B1509-58, or B1509 for short…..
Photo copyright and more info at
http://chandra.harvard.edu/photo/2009/b1509/.
Huh? What am [...]

