- Waterproof - Tear-Resistant - Stargazer Map and Guide The Moon's mystique for ancient cultures might have lain in its unchanging aspect as it traversed the celestial sphere. The same lunar face permanently looks down on Earth because of tidal locking. Thus we use the terms "Near Side" to describe the side always facing the Earth and "Far Side" to describe the side that had been hidden from humanity until the space age. The Moon...