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Summary
DescriptionGalaxy rotation under the influence of dark matter.ogv
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.
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