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Cosmological crisis: We don't know if the universe is round or flat | New Scientist
https://www.newscientist.com/article/2222159-cosmological-crisis-we-dont-know-if-the-universe-is-round-or-flat/?utm_campaign=rss%7Cnsns&utm_source=nsns&utm_medium=rss&utm_content=news
4 comments
5/11/2019
science