If a planet's orbit comes too close to a star...game over.
5.Fergie voiced Sally.
Noam Galai / Getty Images / Charles M. Schulz
She's one of two dozen performers who have lent their voice to Charlie Brown's sister — her turn was in the '80s, long before she was famous for her music.
According to Business Insider, a McDonald's wedding package will set you back anywhere from $373 to $1,290 — but they're only available in Hong Kong for now!
11.Saturn rains diamonds.
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Scientists estimate about a thousand tons of diamonds rain down on Saturn every year — each up to a centimeter wide. Oh, and Jupiter rains diamonds, too!
12.Dolphins name themselves.
Andrea Izzotti / Getty Images
Dolphins have unique whistles — and their fellow dolphin friends will mimic that whistle to get their attention. Dolphin researchers believe this whistle is their version of having a name.
13.Swearing relaxes people.
ABC
It might seem counterintuitive, but studies indicate that yelling a good "Fuck!" can actually calm you down.