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). Earth's moon records evidence of our solar system's history in the form of impact craters, cooled lava landforms, ancient ice deposits, and more. 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.
Discover what we know about earth's lunar companion with the latest moon news, features and articles. 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. What is the moon made of, and how did it form Learn about the moon's violent origins, how its phases shaped the earliest calendars, and how humans first explored earth's only natural satellite. This shows the moon’s current phase in two ways The percentage of the moon’s nearside that is illuminated by the sun, and how many days have passed since new moon
How big is the moon The moon’s diameter is approximately 2,160 miles (3,475. The moon is the earth's only natural satellite and the closest celestial object Learn about the moon and some of the theories about the moon's origin. See the moon's position on its orbit around earth (current, past and future)
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