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Feb5-12, 05:14 PM
P: 226
Quote Quote by minio View Post
Thank you. I am trying to get insight how curvature is measured, simply because I do not like flat universe idea. So I want to know how it is measured and what assumptions are made to be able make up my mind.
Keep in mind that even if the observable universe is measured as flat it doesn't prove anything conclusively other than that the observable universe is flat. The wider universe may be curved still, yet so vast that even a 90 Gly region seems flat. Or it may be the wider universe is entirely flat, regardless. People have differing opinions on what's out there.