This process also revs up its rotation and strengthens its magnetic and electric fields. The core is so compressed that more mass than the Sun's squeezes into a ball no wider than Manhattan Island in New York City. The model traces the paths of charged particles in magnetic and electric fields near the neutron star, revealing behaviors that may help explain how pulsars emit gamma-ray and radio pulses with ultraprecise timing.Ī pulsar is the crushed core of a massive star that exploded as a supernova. Scientists studying what amounts to a computer-simulated “pulsar in a box” are gaining a more detailed understanding of the complex, high-energy environment around spinning neutron stars, also called pulsars.
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