A highly magnetized rotating neutron star emitting beams of radiation from its magnetic poles. As it rotates, the beams sweep like a lighthouse, creating a pulsing signal. Pulsars can rotate up to hundreds of times per second.
The collapsed core of a massive star after a supernova, with 1.4-2 solar masses in a sphere about 20 km across. Incredib...
A powerful explosion at the end of a massive star's life, briefly outshining an entire galaxy. Supernovae scatter heavy ...
The region of space surrounding a planet dominated by its magnetic field. Earth's magnetosphere extends tens of thousand...
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