I can't even believe that flat-earthers are being serious. I always thought its just a hilarious joke to a point that people are trying to defend it but only for the sole purpose of ridiculing it. 
If flat earth society questions Earth being sphere, are they questioning other planets such as Mars if it's sphere too? I can not comprehend this whatever this is anymore. 
If flat earth society questions Earth being sphere, are they questioning other planets such as Mars if it's sphere too? I can not comprehend this whatever this is anymore. Fact:
(((Scientists))) actually calculate the weight of Mars by observing two lead balls through a hole drilled in the wall of a 17th century shed.
Sauce:
https://en.(((wikipedia))).org/wiki/Cavendish_experiment
was the first experiment to measure the force of gravity between masses in the laboratory. Why do you keep mentioning the first experiment that proved gravity if you believe gravity doesn't exist? Are you stupid? LOL