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- 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
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
- 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
- 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
- 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
- All About the Moon | NASA Space Place – NASA Science for Kids
Earth has just one moon – a rocky, cratered place, roughly a quarter the size of Earth and an average of 238,855 miles away The Moon can be seen with the naked eye most nights as it traces its 27-day orbit around our planet
- In Depth | Earths Moon – NASA Solar System Exploration
Earth's Moon is the only place beyond Earth where humans have set foot, so far Earth's only natural satellite is simply called "the Moon" because people didn't know other moons existed until Galileo Galilei discovered four moons orbiting Jupiter in 1610
- Moon Facts - Interesting Facts about the Earths Moon
The Moon (or Luna) is the Earth’s only natural satellite and was formed 4 6 billion years ago around some 30–50 million years after the formation of the solar system
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