There are eight major planets, but more than a million minor ones, including asteroids. If you discover one, you get the honor of naming it. The Dictionary of Minor Planet Names includes minor planets named for rock bands, jazz musicians, poets, and...
Astronomers have spotted nearly 150 objects far out in space that are too small to be called stars, but they can’t be called planets, because they don’t orbit a star. They’re about the size of Jupiter, but given what we know about...