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PSR 0540-69: A pulsar and supernova remnant in the Large Magellanic Cloud. Caption: PSR 0540-69 is 160,000 light years away from Earth in the Large Magellanic Cloud. It is the remnant of a supernova with a neutron star, or pulsar, at the center. The pulsar is rotating very rapidly, making a complete rotation every one-twentieth of a second! It is about 1,000 years old and is surrounded by a cloud of gas and high-energy particles that is about five light years in diameter. The large outer ring is due to hot multi-million degree gas produced by the supernova explosion. Scale: Image is 2 x 1.7 arcmin. Chandra X-ray Observatory HRC Image
CXC operated for
NASA by the Smithsonian Astrophysical
Observatory
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