So bright and beautiful, would somebody explain the waves around it?

http://legacysurvey.org/viewer?ra=190.8363&dec=1.9766&zoom=13&layer=decals-dr5

A beautiful barred spiral galaxy with the boring name “NGC 4643”! I think the wave-like features are basically tightly wound spiral arms.

This simulation shows what might be happening…

cheers,
–dustin

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Amazing simulation of barred galaxy. Thank you for posting.

I am constantly referring to this simulation, I find it extremely useful. Thank you again.

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