Outer space travel posters by NASA will give you goosebumps
November 28, 2017 3:00 PM | Skymet Weather Team
Kepler-186 f
When it comes to Kepler-186f, it happens to be the first Earth-size planet discovered in a zone which could be habitable. The possibility of the presence of liquid water cannot be ruled out. It is definitely way cooler and red in colour as compared to the sun.