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NASA Retires Kepler Space Telescope, Passes Planet-Hunting Torch

Kepler space telescope

This illustration depicts NASA's exoplanet hunter, the Kepler space telescope.

Credit: NASA/Wendy Stenzel/Daniel Rutter

After nine years in deep space collecting data that indicate our sky to be filled with billions of hidden planets—more planets even than stars—NASA's Kepler space telescope has run out of fuel needed for further science operations. NASA has decided to retire the spacecraft within its current, safe orbit, away from Earth.

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