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.


HD
HD
★ 7
HD
HD
★ 6.2
HD
HD
★ 9
HD
★ 8.7
HD
★ 10
HD