In addition to the eight planets in our solar system, there are also more than a million minor planets, including five so-called dwarf planets, plus hundreds of thousands of asteroids. When an astronomer or amateur stargazer discovers one, they get...
If you skip wearing underwear, you’re said to be going commando. This bit of slang originated during the Vietnam War, when U.S. commandos had compelling reasons to do without that particular piece of clothing. Plus, Watergate salad is a...
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...