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4 days ago · The Moon is Earth 's only natural satellite. It orbits at an average distance of 384,400 km (238,900 mi), about 30 times the diameter of Earth. Over time Earth's gravity has caused tidal locking, causing the same side of the Moon to always face Earth. Because of this, the lunar day and the lunar month are the same length, at 29.5 Earth days.
- 405400 km, (404000–406700 km)
- 362600 km, (356400–370400 km)
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5 days ago · Moon, Earth ’s sole natural satellite and nearest large celestial body. Known since prehistoric times, it is the brightest object in the sky after the Sun. It is designated by the symbol ☽. Its name in English, like that of Earth, is of Germanic and Old English derivation.
- James D. Burke
May 6, 2024 · Quick Facts: 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. Credit: NASA/JPL-Caltech.
3 days ago · The Moon is Earth's only natural satellite and is the fifth-largest satellite in the solar system. It has a diameter of 3,474 kilometers and a mass of 7.34 x 10^22 kilograms, making it about 1/81st the mass of Earth. The Moon's surface is covered in craters, mountains, and plains, with the largest feature being the Imbrium Basin.
Apr 23, 2024 · Our Moon on Earth | Discover Magazine. / The Sciences. Our Moon on Earth. There’s no place on our planet that’s quite like the lunar surface. But a trip to NASA’s Lunar Sample Lab in Houston can certainly feel like a journey to another world. By Rebecca Boyle. Apr 23, 2024 5:00 AM. (Credit: Kellie Jaeger/Discover) Newsletter.
May 6, 2024 · The Short Answer: We have a slightly different view of the Moon each night. We describe how the Moon looks with the eight Moon phases, or shapes: 🌑 New. 🌒 Waxing Crescent. 🌓 First Quarter. 🌔 Waxing Gibbous. 🌕 Full. 🌖 Waning Gibbous. 🌗 Third Quarter. 🌘 Waning Crescent.
May 2, 2024 · Aristotle thought Earth was the center of the universe, and that the Sun, Moon, planets, and stars revolved around it. Ptolemy developed this concept into a standardized, geocentric model (now known as the Ptolemaic system) based around Earth as a stationary object, at the center of the universe.
