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  1. Moon - Wikipedia

    The Moon is the only natural satellite of Earth. It orbits around Earth at an average distance of 384,399 kilometres (238,854 mi), [f] a distance roughly 30 times the width of Earth. It completes an orbit …

  2. Moon Facts - NASA Science

    Dec 17, 2025 · 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. …

  3. Moon | Features, Phases, Surface, Exploration, & Facts | Britannica

    4 days ago · 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 …

  4. Moon Phases Calendar: What's the Moon Phase Today?

    Dec 4, 2025 · Use our Moon Phase Calendar to find dates and times of the full Moon, new Moon, and every phase in between. Beyond the phases of the Moon, you will also see daily Moon illumination …

  5. Everything you need to know about the Moon - Astronomy.com

    Sep 7, 2023 · 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...

  6. Internal structure of the Moon - Wikipedia

    Moon's internal structure. Olivine basalt collected by Apollo 15. Thermal state of the Moon at age 100 Ma. [1] Having a mean density of 3,346.4 kg/m 3, [2] the Moon is a differentiated body, being …

  7. Moon Phases - NASA Science

    Sep 18, 2025 · 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 …

  8. Daily Moon Guide | Observe – Moon: NASA Science

    NASA's interactive map for observing the Moon each day of the year.

  9. Moon - Glenn Research Center | NASA

    Jul 7, 2025 · It orbits the Earth at an average distance of approximately 240,000 miles (384,000 km). The Moon completes an orbit of the Earth every 27.3 days (approximately 655 hours). The Moon …

  10. Moon Interactives - NASA Science

    Apr 8, 2025 · NASA’s interactive map for observing the Moon each day of the year. Find key sites and landmarks, check out special Moon events throughout the year, and more. Visualize, explore, and …