https://xkcd.com/2897

Alt text:

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

  • psud@lemmy.world
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    8 months ago

    I would think that the best time period to use for a light year is whatever year definition has been used to date

    Now let’s work on the best second to use for the light second