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the sum of Earth's equatorial tilt (23°27´) and the Moon's orbital inclination (5°09´) to the ecliptic. This is called major lunar standstill. Around this time, the Moon's declination will vary from -28°36´ to +28°36´. Conversely, 9.3 years later, the angle between the Moon's orbit and Earth's equator reaches its minimum of 18°20´. This is called

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