Stars with a mass up to 8–10 solar masses evolve into red giants and slowly lose their outer layers during pulsations in their atmospheres.
Yjet me nje mase deri ne 8-10 masa diellore, shnderrohen ne nje gjigand te kuq dhe ngadale humbin shtresat e tyre te jashtme gjate presionit ne atmosferat e tyre.