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    An already useless star is dying for a second time

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    Pulsars emit beams of radiation

    Artsiom P/Shutterstock

    A useless star seems to be dying once more, say astronomers who’ve noticed a pulsar that’s regularly dropping its spin.

    Pulsars are a type of neutron star, that are themselves the remnants of an enormous star that reached the top of its life in a supernova explosion. They get their identify as a result of they spin quickly, often a number of instances a second, releasing beams of radiation that seem to “pulse” when seen from Earth. It’s thought that pulsars regularly decelerate over time, ultimately crossing a “death-line” as their rotation reaches a…

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