Kepler Space Telescope
![This illustration shows NASA's Kepler mission in shades of blue. The main body of the spacecraft is cylindrical in shape, with a slanted top and a base that attaches to a structure wrapping around half of the main body of the craft.](https://science.nasa.gov/wp-content/uploads/2023/09/Kepler.png?w=4096&format=png)
An illustration of NASA's Kepler Space Telescope. The colors depicted in this illustration are for artistic purposes only.
NASA
December 20, 2022
Credit | NASA |
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Historical Date | December 20, 2022 |
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An illustration of NASA's Kepler Space Telescope. The colors depicted in this illustration are for artistic purposes only.
Kepler was a planet-hunting space telescope designed to discover Earth-size and larger planets orbiting in or near the habitable zones of their stars. Kepler surveyed our neighborhood in the Milky Way galaxy and, throughout its lifetime, observed over half a million stars, enabling the discovery of over 3,200 planets. The Kepler mission revealed that there are more planets than stars in our galaxy.
Launched: March 7, 2009
Decommissioned: October 30, 2018