NASA Puts Kepler Space Telescope to Sleep

NASA announced today that they are putting the Kepler Space Telescope to sleep because it is almost out of fuel. The iconic planet-hunting spacecraft was put into a "hibernation" safe mode on Monday and NASA plans to reactivate Kepler next month to burn out the remainder of the fuel. As of now, "returning the data back to Earth is the highest priority for the remaining fuel," according to NASA. The Kepler Space Telescope was launched in 2009 in search for planets outside of our solar system. Tho...