- Moon - Wikipedia
The Moon is Earth 's only natural satellite It orbits around Earth at an average distance of 384 399 km (238 854 mi; about 30 times Earth's diameter) Its orbital period (lunar month) and its rotation period (lunar day) are synchronized at 29 5 days by Earth's gravity pulling on the Moon
- Earths Moon - Science@NASA
Like Earth, the Moon has a day side and a night side, which change as the Moon rotates The Sun always illuminates half of the Moon while the other half remains dark
- Moon Facts - NASA Science
The Earth and Moon are tidally locked Their rotations are so in sync we only see one side of the Moon Humans didn't see the lunar far side until a Soviet spacecraft flew past in 1959 The Moon has a solid, rocky surface cratered and pitted from impacts by asteroids, meteorites, and comets
- Moon | Features, Phases, Surface, Exploration, Facts | Britannica
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 — A complete guide to Earths companion | Space
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
- Everything you need to know about the Moon - Astronomy. com
How big is the Moon? The Moon is Earth’s only permanent natural satellite, and it’s the fifth-largest satellite in our solar system The Moon’s diameter is approximately 2,160 miles (3,475
- Moon Phases - NASA Science
The eight lunar phases are, in order: new moon, waxing crescent, first quarter, waxing gibbous, full moon, waning gibbous, third quarter, and waning crescent The cycle repeats about once a month (every 29 5 days)
- Daily Moon Guide
NASA's interactive map for observing the Moon each day of the year
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