Stars expend about ninety% of their lifetimes fusing hydrogen into helium in high-temperature-and-pressure reactions within their cores. Such stars are said to become on the main sequence and they are identified as dwarf stars. EN EN DE FR RU We use cookies We use cookies on our Web page. Many https://coco-agriculture62849.blog5star.com/36645407/not-known-factual-statements-about-resort