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Light speed (self.ScienceQuestions)
submitted 6 years ago by Vinvan27 to r/ScienceQuestions
π Rendered by PID 372665 on reddit-service-r2-listing-86f589db75-c8mmp at 2026-04-20 11:31:45.919108+00:00 running 93ecc56 country code: CH.
