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In geophysical terms, the Moon is a planetary-mass objector 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 United States from coast to coast).
The Moon makes a complete orbit around Earth in 27 Earth days and rotates or spins at that same rate, or in that same amount of time. Because Earth is moving as well – rotating on its axis as it orbits the Sun – from our perspective, the Moon appears to orbit us every 29 days.
3 dni temu · 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.
The Moon makes Earth more livable by moderating our home planet's wobble on its axis, leading to a relatively stable climate. It also causes tides, creating a rhythm that has guided humans for thousands of years.
The brightest and largest object in our night sky, the Moon makes Earth a more livable planet by moderating our home planet's wobble on its axis, leading to a relatively stable climate. It also causes tides, creating a rhythm that has guided humans for thousands of years.
11 paź 2024 · Learn about the Moon's formation, phases, features and exploration with this interactive web page from NASA. Find out how the Moon reflects light, why it has no atmosphere and what we know about its far side.
7 wrz 2023 · Learn about the Moon's size, composition, distance from Earth, and phases in this comprehensive guide. Discover how the Moon affects Earth, why it has water ice, and how to observe it with a telescope.
