Astronomy - Ch. 2: Understanding the Night Sky (5 of 23) Understanding the Celestial Sphere

توضیحات:

Visit http://ilectureonline.com for more math and science lectures! In this video I will explain what is the celestial sphere (a sort of GPS of the universe).

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ilectureonline, ilectureonline.com, Mike, Mike van Biezen, van Biezen, ilecture, ilecture online, Astronomy, Space, Earth (Planet), Understanding the Night S...

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