A new type of red giant known as old smokers at the center of our galaxy is rich with heavy elements, so these red giants have a high metallicity. As they age, they can cast off clouds of dust that can obscure the star for a time. #science #sciencefacts #RedGiants #stars #oldsmokers #oldsmoker #metallicity

A new type of red giant known as old smokers at the center of our galaxy is rich with heavy elements, so these red giants have a high metallicity. As they age, they can cast off clouds of dust that can obscure the star for a time.

#science #sciencefacts #RedGiants #stars #oldsmokers #oldsmoker