[93] These could alternatively evolve to the Wolf–Rayet star, characterised by spectra dominated by emission lines of features heavier than hydrogen, that have attained the area because of powerful convection and powerful mass loss, or from stripping of the outer layers.[ninety four] An illustration of a Hertzsprung–Russell diagram for any https://josuemiinl.verybigblog.com/35239915/5-easy-facts-about-service-described