Understanding the Movement of the Moon’s Revolution around the Earth and its Duration

KOMPAS.com – The moon is a natural satellite Earth. The moon, like any other celestial body, undergoes rotation and revolution. This can be seen from the changing phases of the moon, because of its position that moves around it Sun.

Reporting from the Meteorology, Climatology and Geophysics Agency (BMKG), the movement moon revolution surround Earth taken for 27, 55455 days or to be precise 27 days 13 hours 18 minutes 33 seconds. This revolution occurs in the Moon’s elliptical orbit.

The elliptical orbit indicates that the Moon’s distance from Earth is different. The farthest distance from the Moon from Earth is called apogee and the closest distance from the Moon to Earth is called perigee.

Uniquely, time Moon rotation about its own axis is almost the same as the time of the Moon’s revolution with respect to the Earth. Once the Moon rotates it takes 27 days. This is what causes it as if the Moon does not rotate or seems to show the same side to the Earth.

Moon Rotation it will slow down when the Moon is at perigee. This makes the eastern part of the moon visible by as much as 8 degrees. Meanwhile, when the Moon is at the apogee, its rotation will be faster and increase the view of the moon by 8 degrees in the west.

Also read: Phases of the Moon, Knowing the Changes in the Appearance of the Moon from Time to Time

Moon Phase

Although it takes 27.55455 days to evolve the Moon once, the lunar phase distance between the new Moon and the next new Moon is longer, which is 29.5 days.

This is because the Earth and the Moon simultaneously also revolve around the Sun. The Earth’s orbit about the Sun is also an ellipse. This will affect the sunlight that shines on the Moon and is visible from Earth.

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