this post was submitted on 27 Oct 2023
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On their massive scale you’d think that several would have opposing arms different lengths due to the way suns and solar systems end up forming. Most of the imagery I see shows almost all galaxies symmetrical. Just curious.

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[–] Demuniac@lemmy.world 6 points 1 year ago

Id guess if the arm gets too long, gravity won't be strong enough anymore so the stars there will sort of just drift off