បណ្ណាល័យភាពយន្តនិងវីដេអូរបស់យើងអាចត្រូវបានមើលឬទាញយកដោយសមាជិកតែប៉ុណ្ណោះ
បន្តមើលដោយឥតគិតថ្លៃ➞ចំណាយពេលតិចជាង ១ នាទីដើម្បីចុះឈ្មោះបន្ទាប់មកអ្នកអាចរីករាយនឹងចំណងជើងភាពយន្តនិងទូរទស្សន៍គ្មានដែនកំណត់។
Undaunted: The Forgotten Giants of the Allegheny Observatory (2012)
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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.
ប្រភេទ: Documentary
ខាស: Cain Alexander, Kurt Bell, Robert R. Bell, Len Caric, David Conrad
នាវិក: Dan Handley (Director), Dan Handley (Writer), Dan Handley (Producer), William Peduto (Executive Producer), Dan Handley (Editor), Scott Michael Burns (Original Music Composer)
Subtitle:
ETC.
ការដោះលែង: Apr 18, 2012
ប្រជាប្រិយភាព: 2.04
ភាសា: English
ស្ទូឌីយោ:
ប្រទេស: United States of America
