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Space's Deepest Secrets

Search for Alien Earths

Season 3 Episode 4
Astronomers and researchers are on the hunt for the groundbreaking discovery that confirms extraterrestrial life. Using state-of-the-art technology like the Kepler telescope, scientists examine thousands of exoplanets in search of another Earth.
  • 43 min
  • TV-PG
  • Premiered 09/12/2017