4. How to conduct neighborhood eclipse watching. How to make money and friends by being the one who prepares before eclipse day. Answers to Frequently Asked Questions. How to SAFELY use binoculars with a group.

Loading...
来自 科罗拉多大学波德分校 的课程
The Sun and the Total Eclipse of August 2017
53 评分
科罗拉多大学波德分校
53 评分
从本节课中
The Aug. 21, 2017 “Great American Total Solar Eclipse”

与讲师见面

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