Pulsars were first discovered in 1967 and today astronomers know of over a thousand such objects. The pulsar, PSR J1509-5850, located about 12,000 light years from Earth and appearing as the bright white spot in the center of this image, has generated a long tail of X-ray emission trailing behind it, as seen in the lower part of the image. This pulsar has also generated an outflow of particles in approximately the opposite direction. In this image, X-rays detected by Chandra (blue) and radio emission (pink) have been overlaid on a visible light image from the Digitized Sky Survey of the field of view.
Image Credit: NASA/CXC/George Washington Univ./N.Klingler et al, DSS, CSIRO/ATNF/ATCA
Explanation from: https://www.nasa.gov/mission_pages/chandra/psr-j1509-5850.html
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