NASA Retired Kepler, A Telescope That Discovered Thousands Of Worlds Beyond Our Solar System
NASA Retired Kepler, A Telescope That Discovered Thousands Of Worlds Beyond Our Solar System
When NASA launched the Kepler Space Telescope in 2009, astronomers had discovered a few hundred exoplanets — planets that orbit stars outside our solar system.
November 1, 2018 at 06:18PM
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