When stars type within the present Milky Way galaxy, They're made up of about seventy one% hydrogen and 27% helium,[133] as measured by mass, with a small portion of heavier features. Ordinarily the percentage of weighty factors is measured in terms of the iron content in the stellar ambiance, as https://judo-sport36924.diowebhost.com/92735695/everything-about-hotel-effectiveness-login