A planet made of Diamonds

55 Cancri e, is indeed covered with graphite and diamond. This planet revolves around a star in the constellation 'cancer'. It all seems a bit Doctor Who, doesn't it? (Midnight, anyone?) Well, its real, and 40 light years away. It's year is precisely 18 hours, and its temperature sits closely around 3, 900 Fahrenheit. And we think OUR summers are hot! 

For more on this sparkling planet, click here!