There are four kings in every deck of cards. And while they all look similar, the King of Hearts is the only royal fellow who doesn't have a mustache. According to The Guardian, the so-called "suicide king" (who earned his name because it looks like he's stabbing himself in the head with a sword) wasn't always bare-faced. He mistakenly lost his facial hair in a redesign.

Maybe you already knew that Jupiter was the biggest planet of them all. But did you know just how big? Not only is it more than twice as massive as all the other planets combined, but if Earth were the size of a grape, Jupiter would be the size of a basketball, according to NASA.

When you're on the golf course, you're probably paying more attention to what club you're using than the details of each golf ball. But if you did take notice of the specifics, you might discover that your golf balls can have anywhere between 300 and 500 "dimples," though most tend to have 336. According to the Department of Physics at the University of Illinois at Urbana-Champaign, "golf balls are usually covered with dimples in a highly symmetrical way," which "is important or the ball will wobble."