Flat Earth - (Astronomy and the 3d vector grid)
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Understanding how the lights we see in the sky work is a long intensive process.
Knowing that we live on a stationary flat plane is common sense.
Original video from Steve Torrence: https://www.youtube.com/channel/UCnSuHRwtmKLGWb05i8xZulg/videos ... https://www.youtube.com/watch?v=Wr2Ai-YPvhE