The diameter of a typical neutron star of 1 solar mass is predicted to be approximately
A) 1 km.
B) that of the Sun.
C) that of an average city,about 30 km.
D) that of Earth,12,800 km.

Question

Quizplus · Accepted Answer

Neutron stars are incredibly dense remnants of supernova explosions, and despite their mass being comparable to that of the Sun, their diameter is only about 30 km, roughly the size of an average city.

The Diameter of a Typical Neutron Star of 1 Solar