- 55 Cancri e is 40 light years from Earth and is two times is size
- The Spitzer Space Telescope's temperature map of the planet is the first of an exoplanet
- The hottest spot is about 4,400 degrees Fahrenheit
(CNN)Scientists have known for years that 55 Cancri e, a "super-Earth" 40 light years from Earth, is a bit warm. Now they have a better idea of exactly how hot.