The fastest known pulsar spins
A) once every few minutes.
B) once every few seconds.
C) several times a second.
D) hundreds of times a second.

Question

Quizplus · Accepted Answer

Pulsars are highly magnetized rotating neutron stars that emit beams of electromagnetic radiation out of their magnetic poles. The fastest known pulsar to date, PSR J1748-2446ad, spins at a rate of 716 times per second, or 716 Hz. Therefore, choice D is the correct answer.

The Fastest Known Pulsar Spins