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What are UFOs?

After decades in the shadows, UFOs are being studied seriously. Are they weather balloons, optical illusions, secret military technology? Or something else? Follow scientists as they try to unravel the mystery of the strangest objects in our skies. From NOVA.

53min20257+

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Audio languages: EnglishEnglish [Audio Description]

Subtitles: English [CC]

Directors: Terri Randall

Producers: Julia Cort Chris Schmidt Terri Randall Jedd Ehrmann

Cast: Craig Sechler

Studio: PBS

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