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The Main Sequence represents the normal hydrogen burning phase of stellar
evolution. ALL stars pass through this stage.
What is the luminosity class of MAIN SEQUENCE stars?
Where do we find MAIN SEQUENCE stars on the HR Diagram?
Because of their larger gravitational pressure, high Mass stars are more luminous and much hotter than low mass stars. WHY?
High Mass stars fuse hydrogen in which way, primarily?
Low Mass stars fuse hydrogen in which way, primarily?
