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The Main Sequence represents the normal hydrogen burning phase of stellar evolution. ALL stars pass through this stage.

Why is MASS and Luminosity related in Main Sequence Stars?





How does the LIFETIME of a Main Sequence star depend on MASS?




Why?




The Main Sequence is actually a rather
broad region in the H-R diagram. Why?

What is the ZERO AGE MAIN SEQUENCE?
See Here!




High Mass stars fuse hydrogen in which way, primarily?




Low Mass stars fuse hydrogen in which way, primarily?







Contellation Quiz