ABOUT THE SHAPE OF THE SPIRAL GALAXIES

The shape of spiral galaxies has received much discussion, but an accepted conclusion has not yet to be achieved.  It is reasonable to think that the arm´s shape of the galaxies is determined by Kepler’s gravitational laws. This work studies a spiral, with the shape of a great whirlpool, which has formed in accordance with Kepler´s third Law.

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English: 

https://docs.google.com/viewer?a=v&pid=explorer&chrome=true&srcid=0B_QwRAoIQDC0YTlhZDZjMDItNTFmYi00MmNlLWIxYWYtMGVjYTNlYTUxOGE4&hl=en

Spanish:

https://docs.google.com/viewer?a=v&pid=explorer&chrome=true&srcid=0B_QwRAoIQDC0ZmRmZGFlZjQtNWNlYi00OWIzLWE4ZGQtMmM5ODc0OGQ4MzJi&hl=en