If pulsars are born from the core-collapse of massive stars, why do pulsars rotate so much faster than massive star cores? Because of conservation of mass during the collapse In fact they do not...

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Extracted text: If pulsars are born from the core-collapse of massive stars, why do pulsars rotate so much faster than massive star cores? Because of conservation of mass during the collapse In fact they do not rotate faster Because the supernova explosion makes the neutron star rotate fast Because of conservation of angular momentum during the collapse Because of the intense magnetic fields on the neutron star