A wannan saurin, Sun ya zuwa yanzu tuba a kusa da 100 sau da taro na Duniya a cikin makamashi, game da 0.03% na jimlar taro na Sun. Sun zai ciyar a total na kimanin shekaru biliyan 10 a matsayin main-jerin star. Sun ne a hankali zama mafi zafi a lokacin da ta lokaci a kan main-jerin star, saboda helium atoms a tsakiya zama ƙasa da girma fiye da hydrogen atoms da aka fused. A tsakiya ne saboda haka shrinking, kyale waje yadudduka na Sun matsawa kusa da cibiyar da kuma fuskanci wani karfi gravitational karfi, bisa ga dokar neutrinos da kuma hasken rana. A wannan kudi, da Sun ya zuwa yanzu tuba a kusa da 100 sau da taro na Duniya a cikin makamashi, game da 0.03% na jimlar taro na Sun. Wannan tambaya tana nufin cewa tsakiya bukatar a hankali ƙara da 30% a matsayin main-jerin star, saboda helium atoms a tsakiya zama ƙasa da girma fiye da hydrogen atoms da aka fused.
Ƙungiyar rana