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Anne's Picture of the Day: Pulsar PSR B1509-58

May 23, 2013 PSR B1509-58, a pulsar in Circinus Image Credit: NASA/CXC/SAO/P.Slane, et al. PSR B1509-58 (B1509 for short) is a 1700 years old pulsar that lies about 17,000 light-years away from Earth in the southern constellation of Circinus (the Compass). It is surrounded by an X-ray nebula that spans about 150 light-years, and is [continue reading]