A simulation of the Milky Way showing the central disc regions (VIDEO)

Royal Astronomical Society

Caption

A simulation of the Milky Way showing the central disc regions. A filter has been applied to emphasize the bar and spirals. In the animation the observer is rotating with the bar, and so the spirals appear to move backwards. Every time the bar and spirals meet, the bar slows down and appears longer.

Credit

T. Hilmi / University of Surrey

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