- 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 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
- 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
- Facts About the Moon | National Geographic
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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