Space has always been of interest to mankind since ancient times. We have always looked at the stars, observed the moon and the sun, and dreamed of flying into space. However, space exploration is not limited to observations. One of the questions we have always been interested in is the shape of the Earth. And although we know today that the Earth is geoidal, many people continue to believe that it is round. This idea of the Earth's shape has existed since ancient times. As early as the ...