SCIENCE
EARTH SCIENCE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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65 days
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8 days
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365 days
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28 days
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Detailed explanation-1: -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).
Detailed explanation-2: -This movement is from the Moon’s orbit, which takes 27 days, 7 hours and 43 minutes to go full circle.
Detailed explanation-3: -This is because it takes the same amount of time to spin on its axis once as it does to orbit the Earth once.
Detailed explanation-4: -The Moon takes 28 days to orbit Earth. As the Moon orbits the Earth, light from the Sun is reflected by the Moon’s surface. This allows us to see the Moon. When the Earth is directly between the Sun and the Moon, we see a full moon.
Detailed explanation-5: -Cycle of lunar phases takes 29.5 days this is the SYNODIC PERIOD. Why is this longer than the SIDERIAL PERIOD which was 27.3 days? very simple: this is because the moon returns to the same place on the sky once every siderial period, but the sun is also moving on the sky.