this post was submitted on 16 Jan 2025
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[โ€“] A_A@lemmy.world 2 points 2 weeks ago

at : https://en.m.wikipedia.org/wiki/Density_wave_theory
Under :
Galactic spiral arms
we can see animations of stars and spiral arms of galaxies (not what i expected to see)

[โ€“] Wahots@pawb.social 1 points 2 weeks ago

Have this playing while looking at this picture :)

https://youtu.be/d-mPtsKpb14