sun Our Sun is a 4.5 billion-year-old yellow dwarf star – a hot glowing ball of hydrogen and helium – at the center of our solar system. It’s about 93 million miles (150 million kilometers) from Earth and it’s our solar system’s only star. Without the Sun’s energy, life as we know it could not exist on our home planet..
cách nạp sunwin Learn about the Sun, our closest star and the source of light and heat for life on Earth. Find out how the Sun looks, how it works, and how it affects our solar system.
game bài sunwin The sun keeps the planets in its orbit with a tremendous gravitational force. What would happen if it disappeared entirely? Learn about the star at the center of our solar system, and how it is ...