Orbit of the Moon - Wikipedia
Earth and the Moon orbit about their barycentre (common centre of mass), which lies about 4,670 km (2,900 miles) from Earth's centre (about 73% of its radius), forming a satellite system …
The Moon's Orbit and Rotation - Moon: NASA Science
2022年12月2日 · The animation shows both the orbit and the rotation of the Moon. The yellow circle with the arrow and radial line have been added to make the rotation more apparent. The …
Moon - Wikipedia
The Moon's orbit is slightly elliptical, with an orbital eccentricity of 0.055. [1] The semi-major axis of the geocentric lunar orbit, called the lunar distance, is approximately 400,000 km (250,000 …
Moon Facts - Science@NASA
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 …
NASA SVS | Moon Essentials: Orbit
2024年7月18日 · The true orbit of the Moon as it changes over the course of 8.5 years. Shows the tilt of the orbit, the juddering rotation of the nodes (where the Moon's orbit intersects the orbit …
The moon — A complete guide to Earth's companion | Space
2023年5月23日 · Learn how Earth's moon formed, how its orbit affects Earth's tides, why solar and lunar eclipses happen and the history of lunar exploration.
Earth's Moon - Science@NASA
Observers on Earth can track the Moon's motion in space (relative to Earth and the Sun) through moon phases, supermoons and eclipses. The Moon's far side gets as much sunlight as its …
Moon | Glenn Research Center | NASA
2023年11月22日 · The Moon completes an orbit of the Earth every 27.3 days (approximately 655 hours). The Moon also rotates on its axis. Because of tidal forces, it completes one revolution …
Top Moon Questions - NASA Science
Does the Moon orbit Earth? Yes. The Moon takes about one month to orbit Earth (27.3 days to complete a revolution, but 29.5 days to change from new moon to new moon). As the Moon …
Moon - Phases, Orbit, Tides | Britannica
4 天之前 · For part of each month, when the Moon is on the sunward side of Earth, atmospheric gases collide with the undisturbed solar wind; in other parts of the orbit, they move into and out …