txt.sour.is @<xkcd-com https://feeds.twtxt.net/xkcd-com/twtxt.txt> "**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 ..."

Login

Join

Yarn

Recent twts in reply to #hioxeoq

feeds.twtxt.net

Tue, Feb 20 17:00 (12w 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

Participate

Login to join in on this yarn.