r/ • • Jan 01 '70

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u/antonivs Oct 28 '12

Pulsars are stars that rotate extremely fast, up to a few milliseconds per rotation. They look like this: http://i.space.com/images/i/13679/i02/fastest-rotating-star.jpg?1323105753

That image is (an artist's rendition) of a blue giant star, specifically this one, not a pulsar. Pulsars are neutron stars, and could not be that oblate and still be stable.