by Georg Glaeser

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Additional material:

How the planets rotate in our solar system(video, 2.5 MB)

The strange loops of the planets (video, 0.6MB)

How to find the pole star (video, 5MB)

Pleiades in Lascaux

Pleiades in Teotihuacan

High Moon in Stonehenge

The ‚time-equation'(video, 2.8MB)

The orbit of the moon(video, 4.6MB)

G. Glaeser – Astronomy based on monumental buildings of ancient civilizations (German)