This is the current scientific perspective about the Galaxy. I am wondering if this perspective going to change.
It isn't that long ago that people think that the earth was flat. Perhaps understanding about the darkmatter will change this perspective of the Galaxy. Anyway nice post! Upvoted!
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Maybe. More data and evidence can sure change things. But this is how it looks with the current understanding.
Some people still think the Earth is flat. Scientific theories are always being updated, so I think that as our understanding of the universe improves, so will all the theories.