Euler's Galaxy
E66: Euler's first book on astronomy (written/published in 1744).
![[System f1]](./image/galaxy/EulerGalaxy01.jpg) 
![[Real quadratic Gal]](./image/galaxy/EulerGalaxy00.jpg) 
The solar system.
![[Real quadratic Gal]](./image/galaxy/EulerGalaxy1.jpg) 
How was it drawn?
![[System f1]](./image/galaxy/EulerGalaxy2.jpg) 
6:6:6:9:30:40
Reg: 2022, Mar 15
Title: Euler's Galaxy
Method:webpage
Content: 
https://math0.pm.tokushima-u.ac.jp/~hiroki/major/eulergalaxy-e.html
EP: 937943
![[EulerWS2012]](../image/euler2027.jpg) 
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