太阳是地球上光、热和生命的源泉。史前时代的古人把太阳当作宇宙中最伟大的神来祭拜。但事实上在茫茫宇宙中,太阳只是银河系中数千亿颗恒星中普通 The sun is the source of light, heat, and life on earth. The ancient people of prehistoric times worshipped the sun as the greatest God in the universe. But in fact, in the vast universe, the sun is just normal among the hundreds of billions of stars in the galaxy.