http://nautil.us/issue/64/the-unseen/the-fourth-copernican-revolution
“If the universe stretches far enough, everything could happen—somewhere far beyond our horizon there could even be a replica of Earth.”
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http://nautil.us/issue/64/the-unseen/the-fourth-copernican-revolution
“If the universe stretches far enough, everything could happen—somewhere far beyond our horizon there could even be a replica of Earth.”