Stars shell out about ninety% in their lifetimes fusing hydrogen into helium in superior-temperature-and-pressure reactions in their cores. Such stars are stated to become on the key sequence and therefore are referred to as dwarf stars. cost-free!|This process releases Vitality that traverses the star's interior and radiates into outer space. https://stephen515r2.arwebo.com/49803649/facts-about-star-revealed