Mar 16 • 15:12 UTC 🇦🇷 Argentina Clarin (ES)

The Moon moves away from the Earth every year: what this phenomenon means

The Moon is gradually drifting away from the Earth at a rate of approximately 3.8 centimeters per year due to gravitational interactions.

The article discusses the phenomenon of the Moon's gradual retreat from Earth, which is measured at a rate of approximately 3.8 centimeters per year. This slow but significant change results from complex gravitational interactions between the Earth, the Moon, and the planet's oceans, which alter not only the distance between Earth and its natural satellite but also affect the Earth's rotation over millions of years.

The primary driver of the Moon's increasing distance is linked to ocean tides. The gravitational pull of the Moon affects the oceans, leading to bulges of water on the Earth's surface. However, the Earth rotates on its axis faster than the Moon completes an orbit around it, causing these large bodies of water to lag behind the Moon slightly. This discrepancy contributes to the transfer of Earth's rotational energy to the Moon, pushing it further away in the process.

Understanding this interaction is essential for grasping the long-term implications it has on both celestial bodies. Over millions of years, even slight changes in distance can have profound effects on Earth’s climate and tidal patterns, influencing everything from marine life to geological processes. This ongoing observation of the Moon's retreat highlights both the dynamic nature of our solar system and the intricate connections that exist between celestial bodies.

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