Kepler Timeline

The timeline series includes a compilation of artist's concepts depicting milestones from the Kepler mission-NASA's first mission capable of detecting Earth-size planets around sun-like stars. Milestones include launch of the space telescope, the first transiting planetary system, the smallest planet with both radius and mass measurements, the first six-planet system, the first double-star planet, the smallest planet in the habitable zone of a star similar to our sun.