Pulsars emit beams of radiation
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A dead star appears to be dying again, say astronomers who have spotted a pulsar that is gradually losing its spin.
Pulsars are a form of neutron star, which are themselves the remnants of a massive star that reached the end of its life in a supernova explosion. They get their name because they spin rapidly, usually multiple times a second, releasing beams of radiation that appear to “pulse” when viewed from Earth. It is thought that pulsars gradually slow down over time, eventually crossing a…