53K views · 1.7K shares | In late 2014 and early 2015, NASA's Kepler telescope observed the eighth planet in our solar system, Neptune. Kepler detected Neptune's daily rotation, the movement of clouds, and even minute changes in the sun's brightness, paving the way for future studies of weather and climate beyond our solar system. | NASA’s Goddard Space Flight Center | Facebook

Over its 9-year mission, NASA's Kepler Telescope turned its gaze to over half a million stars, revealing that 20-50% of all visible stars could harbor potentially habitable Earth-sized rocky planets. In our relentless search for extraterrestrial neighbors, we've already uncovered over 5,500 exoplanets, dozens of which might have conditions suitable for life, and many other planets are so bizarre they capture your imagination. And NASA continues to find new alien worlds almost every day. But rece