▲ 0 r/BallEarthThatSpins+2 crossposts

30 words not allowed to be used when explaining how earth curve is measured.

30 words not allowed to be used when explaining how earth curve is measured. Sea level - horizon - horizontal Parallel - plumb - perpendicular - Elevation - angles - triangles - Sea sextant - theodolite - spirit - level - Altitude - vertical - tangent - Straight - line - up - down - plane - North - South - East - West - azimuth - linear - and flat. 30 words and that’s that You can’t use these Unless you’re explaining flat! 1Deck is Ace!

youtu.be
u/Kela-el — 23 hours ago