A star’s glow is designed by nuclear fusion. Pulled alongside one another by gravity, hydrogen atoms slam together to kind helium atoms, which release great quantities of energy in the form of heat and light.S?a The best possible Gold 2 là m?t lo?i s?a b?t n?i ??a ???c s?n xu?t trong n??c c?a th??ng hi?u Vinamilk ?ã có l?ch s? g?n fifty n?m s?