This will cause the star's outer layers to expand enormously and to chill and glow crimson as they accomplish that, rendering the star a red huge. The metallicity of the star measures the amount of "metals" it's got — which is, any factor heavier than helium. If among the list https://rever-automotive-co41704.blog-ezine.com/38008550/hotel-engine-things-to-know-before-you-buy