What provides the energy for a type II supernova explosion?
A. Shockwaves from either nearby supernova explosions or hot young stars.
B. Hydrogen fusion.
C. Gravitational contraction.
D. Convection.
Answer:C
What provides the energy for a type II supernova explosion?
A. Shockwaves from either nearby supernova explosions or hot young stars. B. Hydrogen fusion. C. Gravitational contraction. D. Convection.