“in order to calculate proper motion, you need a very long time between data points to ensure the motion is significant enough to be calculated”
https://t.co/2ApLs3Crmo
— Mɐɹɹǝu Wʎǝɹs (@warrenmyers)
Nov 14, 2025
from Twitter https://twitter.com/warrenmyers
November 14, 2025 at 11:27AM
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