This is the Crab Pulsar, and within its radio pulses ... Sun into a sphere just 20 kilometers (12 miles) across. A pulsar is a type of neutron star that blasts jets of radio waves from its poles.

It was a supernova that would eventually lead to the formation of the Crab Nebula — a collage of interstellar gas and dust illuminated by the energy expelled during the death throes of a rapidly ...

A pulsar is a type of neutron star that blasts jets of radio waves from its poles. As the star rotates at incredible speeds, these jets are like lighthouse beams that sweep past Earth in such a way ...