It’s a star!
Yes, our sun is a star—and all the stars are suns! Those tiny lights you see in the night sky are what our own sun might look like from some other planet far out in space.
Like all stars, our sun shines so brightly because it is extremely hot. And like other stars, our sun is mostly made of hydrogen and helium, with a sprinkling of other elements. The sun looks so much brighter than the other stars simply because it’s so much closer to us. Though the sun is pretty far away—93 million miles (150 million km)—the other stars
