Earth -- She's a Fast One
If anyone ever tries to get you to exercise more, just tell them that you're currently hurtling through space at 1,000 MPH. What more do they want from you? It's true. You may think you're standing still, but you're currently moving incredibly fast. (Too bad it doesn't burn as many calories as running 1,000 MPH.)She's Super Old
Guess how old Earth is. Guess. Whoa. You were way off. Earth's about 4.54 billion years old, and it looks like someone's got years of birthday presents to make up for.She Can Be Really, Really Hot
Our nation is home to (arguably) the hottest place on the planet. Death Valley, California has recorded temperatures of 134 degrees Fahrenheit. A temp of 136 was recorded in Libya in the 1920s, but it's been deemed inaccurate.Or Really, Really Cold
The coldest place on Earth is in the South Pole. The average temp there year round is a sweltering -57 degrees Fahrenheit. In the '60s, there were actually 100 days when it didn't climb above -100 degrees Fahrenheit. Basically, your eyeballs freeze just looking outside in the South Pole.....