bolometric

what is the typical main sequence lifetime of a M-type star? Thank you for using the Jiskha Homework Help Forum. Here is a nice site for astronomy: http://www.astronomynotes.com/starprop/s14.htm

What makes the subject of star formation so difficult and complex A It is so slow that no visible proof of of it exists B Star formation is too expensive to study in detail C Stars live too long to be observed from birth to death D Clouds, fragments, prot...