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Outer Space for Kids: Mercury

Learn about the solar system, Kepler's laws, space exploration, stargazing, and more!

Planet Intro

Planet Name: Mercury

Named For: Mercury is the fastest planet to orbit the sun, so it was named for the Roman messenger god, Mercury.

Size: 3,032 miles in diameter or 1/3 the size of Earth 

Moons: None

Rings: None

Temperature: Average temperature is 333 degrees Fahrenheit

Distance from the Sun: 28.6 million miles - 43.4 million miles

Distance from Earth: 48 million miles

Number of Earth Days It Takes to Orbit the Sun: 88 days

Source: CalTech, NASA

Kanopy

Scholastic Teachables

Mercury 101 from National Geographic

Sample of Items from the SLCL Collection