File:Galaxy rotation under the influence of dark matter.ogv

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Galaxy_rotation_under_the_influence_of_dark_matter.ogv ‎(Ogg Theora video file, length 16 s, 720 × 360 pixels, 4.96 Mbps)

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Description
English: Left: A galaxy with a rotation curve as predicted before the effects of dark matter were known. Right: A galaxy with a flat rotation curve that can be explained by the effects of dark matter.
Deutsch: Links: Eine Galaxie mit einer Rotationskurve, wie sie durch die Keplerschen Gesetze vorrausgesagt wird, ohne die Annahme, dass Dunkle Materie existiert. Rechts: Eine Galaxie mit einer horizonralen Rotationskurve, wie sie empirisch beobachtet wurde und die mit der Dunklen Materie erklärt werden kann.
Date
Source Own work; Simulation source code is available at http://beltoforion.de/galaxy/galaxy_en.html; The diagrams used in this animation are based on the file http://en.wikipedia.org/wiki/File:GalacticRotation2.svg created by PhilHibbs
Author Ingo Berg

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File history

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Date/TimeThumbnailDimensionsUserComment
current14:26, 31 March 201216 s, 720 × 360 (9.22 MB)Eclipse.sx (talk | contribs)Diagrams moved to align with the centre of the galaxy. Rotation curves changed to more closely resemble theoretic models.
21:28, 28 March 20129.8 s, 720 × 360 (4.7 MB)Eclipse.sx (talk | contribs)

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