- 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
- Daily Moon Guide
NASA's interactive map for observing the Moon each day of the year
- Todays Moon Phase | Current moon cycle for today and tonight
Moon Phase for today: Dec 10, 2025 The Moon's current phase for today and tonight is a Waning Gibbous During this phase the Moon can be seen in the early morning daylight hours on the western horizon This is the first phase after the Full Moon occurs It lasts roughly 7 days with the Moon’s illumination growing smaller each day until the Moon becomes a Last Quarter Moon with an
- About the Moon - Facts and Eclipses | Exploratorium
Our moon is a natural satellite —a celestial object that orbits around something else—that helps stabilize our climate and create the tides in our oceans While we don’t know for sure how the moon was made, scientists think it was formed when a large asteroid-like body crashed into Earth
- Moon - Formation, Craters, Orbit | Britannica
Most effort hitherto had been devoted to understanding the movements of the Moon through space, but now astronomers began to focus their attention on the character of the Moon itself
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