The more massive the star, the shorter its lifespan, primarily because massive stars have greater pressure on their cores, causing them to burn hydrogen more rapidly.
तारा जितका आकाराने मोठा तितका हायड्रोजन ज्वलनाचा वेग जास्त, त्‍यामुळे प्रचंड मोठे तारे संख्येने कमी असतात.