NASA's Unexplained Files - Season 4 (2016) (temporadas)
Sinopses(1)
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. (Science Channel)
Elenco
Erik Dellums (narrador)
USA
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