Hi. I’m an engineer and try to educate Flat Earthers, sometimes with a little success
According to geodetic measurments the shape of the earth is not exactly a sphere, but slightly bulged at the equator – oblate spheroid. Flat Earthers claim that this oblateness can not be seen on satellite images.
This is not true. I searched some high resolution infrared images from the Himawari 9 satellite and measured the ratio of the equator diameter to the pol-to-pol diameter from the image ... Read even more