Kepler könnte die bedeutendste Weltraummission aller Zeiten sein.
NASA’s Kepler Discovers First Earth-Size Planet In The ‘Habitable Zone’ of Another Star

Using NASA’s Kepler Space Telescope, astronomers have discovered the first Earth-size planet orbiting a star in the “habitable zone” — the range of distance from a star where liquid water might pool on the surface of an orbiting planet.