Mercury is the second smallest planet in the solar system. The surface has many craters and high cliffs. Its temperature range from 425C during the day to 170C at night. Two interesting facts bout mercury is that is the only planet closes to the sun and there's no atmosphere.
The planet order is that mercury is the first one. The distance from the sun (km) is 57.9 millions.
The mas is 0.553, the diameter is 4,880 km. The rotation of mercury is of 59 days and the revolution is of 88 days. Mercury doesn't have moons and is terrestrial.
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