Orbit of the Moon and Lunar theory
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Orbit of the Moon and Lunar theory
Orbit of the Moon and Lunar theory
The Moon makes a complete orbit around the Earth with respect to the fixed stars about once every 27.3 days[nb 6] (its sidereal period). However, since the Earth is moving in its orbit about the Sun at the same time, it takes slightly longer for the Moon to show the same phase to Earth, which is about 29.5 days[nb 7] (its synodic period).[39] Unlike most satellites of other planets, the Moon orbits nearer the ecliptic plane than to the planet's equatorial plane. The Moon's orbit is subtly perturbed by the Sun and Earth in many small, complex and interacting ways. For example, the plane of the Moon's orbital motion gradually rotates, which affects other aspects of lunar motion. These followon effects are mathematically described by Cassini's laws.[77]
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mcitp
The Moon makes a complete orbit around the Earth with respect to the fixed stars about once every 27.3 days[nb 6] (its sidereal period). However, since the Earth is moving in its orbit about the Sun at the same time, it takes slightly longer for the Moon to show the same phase to Earth, which is about 29.5 days[nb 7] (its synodic period).[39] Unlike most satellites of other planets, the Moon orbits nearer the ecliptic plane than to the planet's equatorial plane. The Moon's orbit is subtly perturbed by the Sun and Earth in many small, complex and interacting ways. For example, the plane of the Moon's orbital motion gradually rotates, which affects other aspects of lunar motion. These followon effects are mathematically described by Cassini's laws.[77]
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mcitp
meodingu Posts : 167
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Re: Orbit of the Moon and Lunar theory
meodingu wrote:Orbit of the Moon and Lunar theory
The Moon makes a complete orbit around the Earth with respect to the fixed stars about once every 27.3 days[nb 6] (its sidereal period). However, since the Earth is moving in its orbit about the Sun at the same time, it takes slightly longer for the Moon to show the same phase to Earth, which is about 29.5 days[nb 7] (its synodic period).[39] Unlike most satellites of other planets, the Moon orbits nearer the ecliptic plane than to the planet's equatorial plane. The Moon's orbit is subtly perturbed by the Sun and Earth in many small, complex and interacting ways. For example, the plane of the Moon's orbital motion gradually rotates, which affects other aspects of lunar motion. These followon effects are mathematically described by Cassini's laws.[77]
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mcitp
Very interesting information. I am very fascinated by the moon and other astral bodies. Thanks for sharing!
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RShackleford Posts : 5
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