What objects are called pulsars? What is the nature of these stars?

Pulsars are neutron stars formed after supernova explosions. The constancy of the pulsation is explained by the stability of the rotation of neutron stars. The overwhelming majority of them (up to 90%) have periods ranging from 0.1 to 1 s. The radiation of pulsars is of a non-thermal nature, in no way connected with the heating of a neutron star, with temperature, or with thermal processes on its surface. This follows from an analysis of the emission spectrum of pulsars. The pulsar in the Crab Nebula is a remnant of a supernova explosion in 1054. Its radiation is recorded in all ranges of electromagnetic waves – from radio waves to gamma rays.

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