Question

The moon completes one cycle of its phases in around 29 days. But what's interesting is that the duration of this full moon to full moon cycle changes throughout the year. It has a variation of around 12 hours. Why?​

Answer 1

Explanation:

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. However, it takes our Moon about 29.5 days to complete one cycle of phases (from new Moon to new Moon).

Answer 2

It takes about 29.5 days to complete one cycle.

• The month is called synodic month.
• It travels at about 4000 km per hour.
• The moon makes complete orbit of earth every 27.3 days

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