polar dia is vertical one and equatorial is the horizontal one..............there is a difference as earth is not exactly round right?
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The equatorial diameter of the Earth is about 12,742 km, while the polar diameter is about 12,714 km. This means that the Earth is slightly flattened at the poles and bulging at the equator, resulting in a difference of approximately 28 km between the two measurements.
The equatorial diameter of Earth is approximately 12,756 kilometers.
Not including any mountains, the greatest width of the Earth is its equatorial diameter, which is about 12756 kilometers or about 7926 miles.
The diameter of the Earth from west to east, known as the equatorial diameter, is about 12,742 kilometers.
The difference between the Earth's polar circumference and equatorial circumference, known as the flattening of the Earth, indicates that the Earth is an oblate spheroid. This means that the Earth is slightly flattened at the poles and bulges at the equator, making it not a perfect sphere.
Mercury is significantly smaller than Earth, with a diameter of about 4,880 kilometers compared to Earth's diameter of about 12,742 kilometers. This makes Mercury roughly one-third the size of Earth in terms of diameter.