It orbits around earth at an average distance of 384,399 kilometres (238,854 mi), [f] about 30 times earth's diameter, and completes an orbit (lunar month) every 29.5 days This is the same length it takes the moon to complete a rotation (lunar day). Moon, earth’s sole natural satellite and nearest celestial body Known since prehistoric times, it is the brightest object in the sky after the sun Its name in english, like that of earth, is of germanic and old english derivation. The moon makes earth more livable, sets the rhythm of ocean tides, and keeps a record of our solar system's history
Explore nasa lunar science here. How big is the moon The moon’s diameter is approximately 2,160 miles (3,475. Learn how earth's moon formed, how its orbit affects earth's tides, why solar and lunar eclipses happen and the history of lunar exploration. Explore astronomy with almanac.com—moon phases, rise and set times, planets, eclipses, meteor showers, full moon names, and other celestial events. We see the full moon when the sun is directly behind us, illuminating a full hemisphere of the moon when it is directly in front of us.
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