How do we know the Earth is round? Facts to counter flatness thumbnail

How do we know the Earth is round? Facts to counter flatness

You say you know we’re living on a sphere, but don’t settle for received wisdom. Get the facts that falsify flat-Earth folly. Meet the greats who made headway in human knowledge about our shapely home planet, and come away with a rounded intro to the science. Discover more of humanity’s greatest inventions and discoveries, and…