for scene 6 of the video " Black Holes Under the Stars - Introduction" by Rolf Witzsche
here for a larger image
A step towards freedom was taken
A step towards freedom was taken when Johannes Kepler discovered the principles of gravity and and its interaction with mass and velocity in orbital dynamics, the door was opened by this for the acceptance of elliptical orbits.
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Published by Cygni Communications Ltd.
North Vancouver, BC, Canada - (C) in public domain - producer Rolf A. F.