How do we know that pulsars are neutron stars?
A)We have observed massive-star supernovae produce pulsars.
B)Pulsars and neutron stars look exactly the same.
C)No massive object,other than a neutron star,could spin as fast as we observe pulsars spin.
D)Pulsars have the same upper mass limit as neutron stars do.
E)none of the above

Question

Quizplus · Accepted Answer

Neutron stars are incredibly dense and can spin at very high speeds due to their small size and conservation of angular momentum. No other known massive object can spin as fast as pulsars do, confirming their identity as neutron stars.

How Do We Know That Pulsars Are Neutron Stars