Stars expend about 90% in their lifetimes fusing hydrogen into helium in high-temperature-and-pressure reactions in their cores. This kind of stars are mentioned for being on the principle sequence and so are named dwarf stars. totally free!|This process releases Power that traverses the star's interior and radiates into outer space. https://josue849z5.amoblog.com/the-2-minute-rule-for-star-48532794