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6 billion planets like Earth? Scientists make stunning estimate

Astronomers propose new estimate of Earth-like planets in the Milky Way galaxy.

Credit: NASA/Ames Research Center/W. Stenzel/D. Rutter
  • Astronomers make new analysis based on data from NASA's Kepler space telescope.
  • The researchers estimate there may be as many as six billion Earth-like planets in our galaxy alone.
  • The scientists looked for planets that would be able to host life.
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