Earth's radius at the equator is approximately 6,378 kilometers (3,963 miles). When comparing the radii of other planets in our solar system, the planet with a radius closest to Earth's is Venus, which has an equatorial radius of about 6,052 kilometers (3,761 miles). This makes Venus the closest in size to Earth among the planets in our solar system.
Study the planets radius at the equator which planet radius is closest to the earths radius
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1 answer