Why can't pulsars be spinning white dwarfs?
A)White dwarfs are not very common.
B)White dwarfs are not dense enough to produce bright pulses.
C)White dwarfs do not have magnetic fields.
D)White dwarfs are too large to produce such short pulses.

Question

Quizplus · Accepted Answer

White dwarfs are too large to rotate as rapidly as pulsars, which are neutron stars, allowing them to produce the very short, regular pulses observed.

Why Can't Pulsars Be Spinning White Dwarfs