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Joellen Barak: Time can be so precise, yet so very indistinct

It takes the Earth 365.245 days to circle the sun. Every four years, we have to add a day to clean up all of those extra .245s. Every fourth century, though, we don’t add the extra day, to compensate for the difference between .245 days and an even .25. The sun’s light takes 8 minutes and 20 seconds to reach the Earth. Eight minutes, 20 seconds, after traveling 93 million miles. (I don’t know if there are celestial rest stops involved.)

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