Season 3 Episodes8
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Ranked #3 of 8 in Season 3•matches the season avg
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.
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"Search for Alien Earths" is episode 4 of Space's Deepest Secrets season 3. It scored 8.2/10 from 11 votes, ranking #3 of 8 episodes this season (season average 8.2). It aired on September 12, 2017.