GK
WORLD GEOGRAPHY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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the period in which the moon completes an orbit around the earth
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the period in which the moon completes an orbit around the earth and returns to the same positions in the sky
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the period of rotation of moon
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None of the above
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Detailed explanation-1: -As a result, the moon’s eastward orbit around the earth takes 27.32 days. This is known as the moon’s sidereal month, which is the time it takes for the moon to complete a full orbit around the earth with respect to returning to the same place among the stars.
Detailed explanation-2: -plural sidereal months. : the mean time of the moon’s revolution in its orbit with reference to a star’s position : 27 days, 7 hours, 43 minutes, 11.5 seconds of mean time. The Moon rotates on its axis once every 27.32166 days.
Detailed explanation-3: -The synodic lunar month is defined by the visible phases of the Moon. The length of a synodic lunar month ranges from 29.18 days to 29.93 days. The sidereal lunar month is defined by the Moon’s orbit with respect to the stars.
Detailed explanation-4: -It takes 27 days, 7 hours, and 43 minutes for our Moon to complete one full orbit around Earth. This is called the sidereal month, and is measured by our Moon’s position relative to distant “fixed” stars.