2. How to watch an eclipse

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來自 University of Colorado Boulder 的課程
The Sun and the Total Eclipse of August 2017
53 個評分
University of Colorado Boulder
53 個評分
從本節課中
Introduction to the Sun and Eclipses

與講師見面

  • Douglas Duncan
    Douglas Duncan
    Astronomer, Director, Fiske Planetarium
    Astrophysical & Planetary Sciences

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