What knowledge about our planet was accumulated in the ancient world?

In the ancient world, people were aware of the existence of several large continents, which are separated by large bodies of water. The directions of winds and sea currents were studied in detail, which is necessary for navigation. People in ancient times made calendars, had an idea of the movement of the Sun, Moon and other celestial bodies. Based on this knowledge, they could predict solar and lunar eclipses. The large mountain ranges of Europe and Asia were well studied, the main trade routes were laid.