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Outer Space for Kids: Neptune

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

Planet Intro

Planet Name: Neptune

Named For: The Roman god of the sea

Size: 30,775 miles in diameter, four times the size of Earth

Moons: 16 known moons, the largest is named Triton

Rings: 5 known rings and 4 known arcs; an arc is a particle cluster within a ring system

Temperature: Average temperature is -330 degrees Fahrenheit

Distance from the Sun: Average of 2.8 billion miles

Distance from Earth: 3 billion miles

Number of Earth Days It Takes to Orbit the Sun: 60,190 days

Source: NASA

Kanopy

Scholastic Teachables

What They Didn't Teach You in School about Neptune from Astrum

Sample of Items from the SLCL Collection