Season 6 Episodes11
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Ranked #9 of 9 in Season 6•−0.4 vs season avg
New discoveries are helping experts in their search for the first alien moon outside our solar system, which could be Earth-like worlds with the potential for life. So far, they haven't found any, but twenty-first century methods might change everything.
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"Finding Alien Moons" is episode 4 of Space's Deepest Secrets season 6. It scored 8.0/10 from 5 votes, ranking #9 of 9 episodes this season (season average 8.4). It aired on April 9, 2019.