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Mercury is a fascinating rocky planet devoid of an atmosphere, characterized by its extensive plains and numerous craters. It features ancient volcanoes and dust-covered hills formed by meteorite impacts. As the closest planet to the Sun, Mercury is the smallest in our solar system, measuring 3,031 miles in diameter and 40% smaller than Earth. Notably, it possesses the fastest orbital speed, completing a revolution around the Sun in just 88 Earth days while taking 58 days to rotate on its axis. Temperatures range drastically, peaking at 800°F during the day and dropping to -280°F at night.
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Description • Rocky planet with no atmosphere • Covered with plains • Has craters all over the planet • Has volcanoes • Closest planet to the sun • Dust covered hills from meteorites
Size • Smallest planet in the solar system • 40% smaller than Earth • 3,031 miles in diameter
Rotation • 88 Earth days to orbit • 58 days to rotate • Fastest moving planet
Temperature • Hotter than an oven during the day • Reaches 800 degrees • Colder than a freezer during the night • Reaches -280 degrees