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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)
- 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
- 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
- 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
- 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
- Its Official: Scientists Confirmed What Is Inside Our Moon
This, researchers hope, will help settle a long debate about whether the Moon's inner heart is solid or molten, and lead to a more accurate understanding of the Moon's history – and, by extension, that of the Solar System
- 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)
- Moon 101 - National Geographic Society
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 half a century ago
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