Stars spend 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. free!|This method releases Electrical power that traverses the star's inside and radiates into outer Area. https://conner961c6.uzblog.net/5-simple-statements-about-star-explained-41028910