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Currently you are able to watch "Undaunted: The Forgotten Giants of the Allegheny Observatory" streaming on Amazon Prime Video, Amazon Prime Video with Ads or for free with ads on Filmzie, Freevee. It is also possible to rent "Undaunted: The Forgotten Giants of the Allegheny Observatory" on Amazon Video, Apple TV online and to download it on Amazon Video, Apple TV.
This film tells the surprising story of how the Allegheny Observatory has been a world leader in the study of the stars since the 1860s. Self-educated, and often facing unrelenting hardships, the people associated with the Allegheny Observatory defied the odds to make enormous contributions to the founding of astrophysics and early aviation.
