- Moon - Wikipedia
In geophysical terms, the Moon is a planetary-mass object or satellite planet Its mass is 1 2% that of the Earth, and its diameter is 3,474 km (2,159 mi), roughly one-quarter of Earth's (about as wide as the contiguous United States)
- Earths Moon - Science@NASA
The Moon makes Earth more livable, sets the rhythm of ocean tides, and keeps a record of our solar system's history
- 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 Trek - NASA
Trek is a NASA web-based portal for exploration of Moon This portal showcases data collected by NASA at various landing sites and features an easy-to-use browsing tool that provides layering and viewing of high resolution data
- In Depth | Earths Moon – NASA Solar System Exploration
The brightest and largest object in our night sky, the Moon makes Earth a more livable planet by moderating our home planet's wobble on its axis, leading to a relatively stable climate It also causes tides, creating a rhythm that has guided humans for thousands of years
- Moon - Glenn Research Center | NASA
It orbits the Earth at an average distance of approximately 240,000 miles (384,000 km) The Moon completes an orbit of the Earth every 27 3 days (approximately 655 hours) The Moon also rotates on its axis Because of tidal forces, it completes one revolution every 655 hours
- How the Moon Works - HowStuffWorks
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
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