_____ spectral type stars are hotter than _____ spectral type stars.
a. A, K b. M, F
c. B, O d. L, G
Question 2
A _________ has a radius of about 10 km and is supported by the pressure associated with degenerate neutrons.
a. black hole
b. neutron star
c. white dwarf
d. supernova remnant
e. red dwarf