Space Vocabulary

Front

The sun, its planets, moons, asteroids, and comets

Back

solar system

Front

Our galaxy

Back

Milky Way

Front

A vast system of gas, dust, stars, and objects bound by gravity, containing multiple solar systems.

Back

galaxy

Front

Large, round object orbiting a star, having cleared its orbital region.

Back

Planet

Front

Closest planets to the sun

Back

inner planets

Front

A huge ball of hot gas emitting energy.

Back

star

Front

A large round object orbiting the sun that hasn't cleared its orbital region.

Back

dwarf planet

Front

Planets beyond Mars in our solar system.

Back

outer planets

Front

Path an object takes around a star, planet, or moon

Back

orbit

Front

A rocky mass up to hundreds of km wide orbiting the sun.

Back

asteroid