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NASA's Unexplained Files S4E6 — Did Earth Have Two Moons?
7.2
NASA's Unexplained Files•Season 4•Episode 6

Did Earth Have Two Moons?

7.2/10 · 31 votesOct 4, 201660 min

Ranked #3 of 8 in Season 4•+0.2 vs season avg

Discussion

A discovery suggests the hellish clouds of Venus may be the origin of life on Earth. A bizarre sighting 2,000 years ago raises the possibility that Earth once had two moons. A scientist helps the FBI crack the 1996 Olympic bombing.

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Episode Summary

"Did Earth Have Two Moons?" is episode 6 of NASA's Unexplained Files season 4. It scored 7.2/10 from 31 votes, ranking #3 of 8 episodes this season (season average 7.0). It aired on October 4, 2016.

Next: E7 · Mystery of the Invisible PlanetBest of Season 4