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  1. en.wikipedia.org › wiki › MoonMoon - Wikipedia

    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.

    • Lunar phase

      As the Moon waxes (the amount of illuminated surface as seen...

  2. simple.wikipedia.org › wiki › MoonMoon - Simple English Wikipedia, the free encyclopedia

    The Moon is Earth's only natural satellite. We usually see it in the night sky and also during the day. Some other planets also have moons or natural satellites. Our moon is about one-fourth of the width of the Earth. Because it is far away it looks small, about half a degree wide. The gravity on the moon is one-sixth of the Earth's ...

  3. science.nasa.gov › moonMoon - NASA Science

    Learn about Earth's Moon, its origin, phases, weather, and more from NASA's official website. Find out how to observe the Moon, explore its surface, and discover its secrets.

  4. solarsystem.nasa.gov › moons › earths-moonIn Depth | Earth's Moon – NASA Solar System Exploration

    Learn about the Moon's origin, structure, surface, orbit, phases, and potential for life. Explore the Moon's history, missions, and curiosities with NASA's science and visualizations.

  5. science.nasa.gov › moon › factsMoon Facts - NASA Science

    Learn about the Moon's origin, structure, surface, orbit, phases, and potential for life. Find out how the Moon affects Earth's climate, tides, and exploration.