In case you had any lingering doubts, here is some masterful cosmological/geological/geometrical instruction on our planet and its spherical โ€” but not perfectly spherical โ€” tendencies, courtesy of the ever-capable Henry Reich (better known as the creator, animator and narrator of MinutePhysics). Some great, if not immediately obvious, insights here.

Saddle up, kiddos โ€” let's go rile up some flat-Earthers.