A neutron star is a highly dense remnant of a massive star that has undergone a supernova explosion. It consists almost entirely of neutrons and has an incredibly strong gravitational field.
5 Must Know Facts For Your Next Test
Neutron stars are typically around 20 kilometers in diameter but have masses greater than that of the Sun.
They are formed when the core of a massive star collapses under gravity during a supernova explosion.
Neutron stars have extremely strong magnetic fields, which can be trillions of times stronger than Earth's magnetic field.
Some neutron stars emit beams of electromagnetic radiation and are observed as pulsars if these beams sweep past Earth.
The discovery of neutron stars provided critical evidence for the theory of stellar evolution and the life cycle of massive stars.