- 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 . . .
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
- Facts About the Moon | National Geographic
According to the "giant impact" theory, the young Earth had no moon At some point in Earth's early history, a rogue planet, larger than Mars, struck the Earth in a great, glancing blow
- The Moon Page
Discover the moon like never before! Interactive moon phases, 3D moon exploration, moon landing history, and lunar calendar designed for children Learn about the moon through NASA missions and space exploration
- What Are the Moon’s Phases? - NASA Space Place
The other side of the Moon is dark The position of the Moon and the Sun during Each of the Moon’s phases and the Moon as it appears from Earth during each phase Credit: NASA JPL-Caltech On Earth, our view of the illuminated part of the Moon changes each night, depending on where the Moon is in its orbit, or path, around Earth
- Moon - Craters, Highlands, Maria | Britannica
New moon occurs when the Moon is between Earth and the Sun, and thus the side of the Moon that is in shadow faces Earth Full moon occurs when the Moon is on the opposite side of Earth from the Sun, and thus the side of the Moon that is illuminated faces Earth
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