Size
- Diameter: about 3,030 miles (4,880 km)
- Mercury is the smallest planet in our solar system
Distance From the Sun
Average distance: 36 million miles (58 million km)
Simple idea:
Mercury is the closest planet to the Sun.
Length of a Year
88 Earth days
Meaning:
Mercury goes around the Sun 4 times in one Earth year.
Length of a Day: 176 Earth days
Temperature
Day: about 800°F (430°C)
Night: about -290°F (-180°C)
Gravity
Gravity is about 38% of Earth’s gravity
Moons
0 moons
Surface
Covered in craters (holes from space rocks).
Esoplanet 