Stars invest about 90% of their lifetimes fusing hydrogen into helium in higher-temperature-and-stress reactions within their cores. This sort of stars are explained being on the leading sequence and they are identified as dwarf stars. cost-free!|This process releases Vitality that traverses the star's interior and radiates into outer space. At https://lukas271a5.blog2learn.com/74898851/little-known-facts-about-star