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Gray planet Mercury with craters and rays of material ejected by impactors like asteroids.

Mercury

Mercury is the closest planet to the Sun, and the smallest planet in our solar system. It's only slightly larger than Earth's Moon.

Mercury Facts

Mercury is the smallest planet in our solar system and the nearest to the Sun. 樱花视频在线.

Mercury is only slightly larger than Earth's Moon. It's the fastest planet, zipping around the Sun every 88 Earth days 樱花视频高清. Mercury is named for the swiftest of the ancient Roman gods.