The Sun will one day grow so large it will consume Earth, during its Red Giant phase. Today, it is a stable Yellow Dwarf, fusing hydrogen into helium for about 4.6 billion years. In roughly 5 billion years, its fuel will run out, causing it to expand and likely engulf Mercury, Venus, and Earth.
#Sun #SolarSystem #Science #Space #Physics #Nature #Astrodon #Stars #NASA #Facts

