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  1. Properties

    The properties of the orbit described in this section are approximations. The Moon's orbit around Earth has many variations (perturbations) due to the gravitational attraction of the Sun and planets, the study of which (… 展开

    History of observations and measurements

    About 1000 BC, the Babylonians were the first human civilization known to have kept a consistent record of lunar observations. Clay tablets from that period, which have been found in Iraq, are inscribed with cuneiform writing … 展开

    Lunar periods

    There are several different periods associated with the lunar orbit. The sidereal month is the time it takes to make one complete orbit around Earth with respect to the fixed stars. It is about 27.32 days. The synodic month is … 展开

    Tidal evolution

    The gravitational attraction that the Moon exerts on Earth is the cause of tides in both the ocean and the solid Earth; the Sun has a smaller tidal influence. The solid Earth responds quickly to any change in the tidal forcing, the disto… 展开

     
  1. Counterclockwise

    The moon orbits counterclockwise around the Earth. Orbit is slightly elliptical and distance from Earth varies 6 %. Period of the orbit is about 27.3 days.
    www.pas.rochester.edu/~blackman/ast104/moonorbit.html
    www.pas.rochester.edu/~blackman/ast104/moonorbit.html
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  2. The Moon's Orbit and Rotation - Moon: NASA Science

    2022年12月2日 · An enduring myth about the Moon is that it doesn't rotate. While it's true that the Moon keeps the same face to us, this only happens because the Moon rotates at the same rate as its orbital motion, a special case of tidal …

  3. The Moon | Phases, Orbit and distance from the Earth

    2019年9月25日 · As the Moon orbits around the Earth once per month, the angle between the Earth, the Moon and the Sun changes; we see this as the cycle of the Moon’s phases. The time between successive new moons is 29.5 days …

  4. Top Moon Questions - NASA Science

    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 completes each 27.3-day orbit around Earth, both Earth and the Moon are …

  5. Moon Facts - Science@NASA

  6. In Depth | Earth's Moon – NASA Solar System Exploration

  7. The Orbit of the Moon - Universe Today

    2016年11月5日 · Because Earth is moving as well – rotating on its axis as it orbits the Sun – the Moon appears to orbit us every 29.53 days. This is known as its synodic period, which is the amount of time...

  8. Earth's Moon - Science@NASA

    The Moon rotates exactly once each time it orbits our planet. Observers on Earth can track the Moon's motion in space (relative to Earth and the Sun) through moon phases , supermoons and eclipses .

  9. The Moon's Orbit and Rotation - Moon: NASA Science

  10. Rotation and Orbit | Moon | Space FM

    The Moon orbits the Earth in 27.3 Earth days. A day on the Moon is also 27.3 Earth days long. The orbit and rotation period of the Moon are identical - 27.3 days. The Moon has a synchronous (or captured) rotation which means it …