txt.sour.is xkcd-com@feeds.twtxt.net "Light Leap Years When Pope Gregory XIII briefly shortened the light-year in 1582, it led to navigational chaos and the loss of several Papal sta ..."

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Wed, Feb 21 00:00 2024 (1y ago)

Light Leap Years
When Pope Gregory XIII briefly shortened the light-year in 1582, it led to navigational chaos and the loss of several Papal starships. ⌘ Read more

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