Question

What can be concluded about the initial mass of a blue main sequence star compared to a red main sequence star?

Blue main sequence stars had a greater initial mass.
Red main sequence stars had a greater initial mass.
Blue main sequence stars have the same initial mass as red main sequence stars.
Initial mass comparisons cannot be made between blue and red main sequence stars.

Answer 1

@wolfe8 can u help???

Answer 2

@Joel_the_boss can u help???

Answer 3

Eh I'm sure I can figure it out if I know that absolute magnitude is.

Answer 4

http://lcogt.net/spacebook/what-absolute-magnitude

Answer 5

-pretends I didn't see that-