[daniel1212]

We have a flat Earther here. OK, whether the approximation is a length or area I no matter. The curvature of the Earth cannot be approximated by a parabola. Here are some rotating Earth facts for you: Coriolis effect, circumpolar stars, Foucault pendulum. In addition, why do clouds appear lower in the sky with distance? Why are contrails straight as appearing in the sky? Why does the Sun rise and proceed to the south in the Northern hemisphere but also appear to rise and proceed to the north in the Southern hemisphere? Time lapse videos of the Sun setting in the West in the Northern Hemisphere could also be of the Sun rising in the East in the Southern hemisphere.

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.

Thus I do not intend to take more time on this except to post some links as these (sorry for image size. ctrl and mouse wheel will change size. Sorry if you are on a smartphone):

The curvature of the Earth is visible in this 2014 photo, which ESA astronaut Samantha Cristoforetti snapped from the International Space Station. Source: NASA/Samantha Cristoforetti From https://www.astronomy.com/astronomy-for-beginners/why-earth-is-not-flat-the-conspiracy-debunked/

versus:

From 7 ways you can easily prove that the Earth is not flat https://www.indy100.com/science-tech/how-do-we-know-earth-is-not-flat-earthers-proof-round-globe-8196911

https://iere.org/how-the-earth-is-not-flat/

https://www.andersoninstitute.com/flat-earth/

[philman_36]

Do you have to look DOWN from a mountaintop to see the horizon?
Instead of something "from space" show me something "from Earth".

[daniel1212]

I tried to reduce image size of below and messed it up, thus it did not show: The curvature of the Earth is visible in this 2014 photo

"https://www.astronomy.com/wp-content/uploads/2023/11/earth-photo-from-2014.jpg

[thepoodlebites]

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.
—
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.