How can you tell the difference between the Arctic and the Antarctic? And why are they called that?

Although it is more likely that the name Arctic is related to the constellation of the Big Dipper, the largest in the sky of the Northern Hemisphere. It is this constellation, among other star clusters, that for thousands of years has served as a guiding sign for travellers. And polar bears must be gazing at it in the middle of the vast icy expanses, listening to the silence of the polar nights.