The moon completes one revolution around Earth in:

Options

A. 27 days 7 hrs 43 min
B. 29 days 3 hrs 20 min
C. 20 days 2 hrs 10 min
D. 10 days 4 hrs 5 min

Explanation

To determine how long it takes for the moon to complete one revolution around the Earth, follow these steps:

### Step-by-Step Solution:

1. **Understanding the Question**: The question asks for the time it takes for the moon to complete one full revolution around the Earth.

2. **Identifying the Time Period**: The moon takes a specific amount of time to orbit the Earth. This time period is known as the sidereal month.

3. **Finding the Duration**: The duration of a sidereal month is approximately 27 days, 7 hours, and 43 minutes. This is the time it takes for the moon to return to the same position relative to the stars.

4. **Conclusion**: Therefore, the moon completes one revolution around the Earth in about 27 days, 7 hours, and 43 minutes.

### Final Answer:
The moon completes one revolution around Earth in approximately **27 days, 7 hours, and 43 minutes**.

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