What is the characteristic of a main sequence star?

Question

a. Rapid rotation and a strong stellar wind

b. Nuclear fusion in the core varies according to the amount of gravitational contraction that occurs.

c. The rate of nuclear energy generated in the core equals the rate of energy radiated from the surface.

d. all of the above

e. none of the above

Answer 1

Here, do your own homework,look it up:http://en.wikipedia.org/wiki/Main_sequen...