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Undaunted: The Forgotten Giants of the Allegheny Observatory 2012 免费无限访问

Undaunted: The Forgotten Giants of the Allegheny Observatory 2012 免费无限访问

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.

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