The Earth-Moon System

The Earth-Moon system consists of Earth and its natural satellite, the Moon, which orbits our planet approximately every 27 days. The Moon influences Earth's tides through gravitational pull and stabilizes the planet's axial tilt, contributing to a stable climate. Its synchronous rotation causes the same side to always face Earth. The system formed about 4.5 billion years ago, likely from a massive collision, and continues to shape each other's evolution through gravitational interactions. This relationship is fundamental to Earth's environment, affecting tides, navigation, and even biological rhythms.