Nasa’s revolutionary planet-hunting Kepler space telescope has run out of fuel and will be retired, the space agency announced Tuesday. Photo: Nasa

Nasa’s Kepler space telescope retires after discovering more than 2,600 planets

  • The unmanned space telescope, which launched in 2009, revealed that billions of hidden planets are in space
  • The next-generation planet hunter space telescope, Tess, launched in April
Topic |   Space

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Nasa’s revolutionary planet-hunting Kepler space telescope has run out of fuel and will be retired, the space agency announced Tuesday. Photo: Nasa
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