I did not realize you were engaged in this debate with such a a conspiratorialist, which like moon landing deniers (MLD) - which irrational position Flat Earthers must also subscribe to - are typically so recalcitrant in the face of overwhelming evidence that it amounts to a waste of time.
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They hate me on Truth Social because I debunked every one of their arguments. Why does steel float in a tub of mercury? Because the element mercury is more dense than steel. How can rockets travel in the vacuum of space? Because the thrust of the rocket pushes against its own inertial mass (Newton’s 1st Law). If the Earth is rotating at 1,000 mph, why don’t we fly off into space? Because we are traveling with the Earth at the same speed (Newton’s 2nd Law). Is the Moon’s light cold? Um, no.
The videos of their bad science are endless but entertaining. I figured out how fast the Earth would have to rotate where we become essentially weightless. Turns out, about 17 times faster, orbital velocity. Note: Orbital Velocity is Vo = √(G•M/r), 17,325 mph, for an orbital altitude of 400 km.
Beware the Ice Wall of Death. The Gleason map (1892) is real.