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A comment on The structure of the Milky Way. Parent comment

Re:The structure of the Milky Way by SenHeng on Monday July 30, 2018 @11:01PM (#17650220)
I'm honestly surprised how we're enable to determine the shape of our galaxy while being inside it. That must be some crazy level of math going on.
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Re:The structure of the Milky Way by enriquto on Tuesday July 31, 2018 @04:14AM (#17651428)
Put it that it does not seem so hard: can you determine the shape of a mostly transparent house that you are currently in?
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