What period defines the Earth's revolution around the Sun, establishing the length of our year?
Answer
Roughly 365.25 days
The Earth's revolution, which is its orbit around the Sun, takes approximately 365.25 days to complete, thereby defining the length of a year.
#Videos
Movements of the Earth - Earth's Revolution & Rotation - YouTube
Earth's Rotation & Revolution: Crash Course Kids 8.1 - YouTube
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