Space, Earth, & Moons Vocab

Front

Everything that exists, including galaxies and their contents.

Back

Universe

Front

A group of billions of stars, orbiting objects, gas, and dust

Back

Galaxy

Front

A star (the sun) and its revolving planets

Back

Solar system

Front

Group of stars

Back

Constellation

Front

Large, round body orbiting a star

Back

Planet

Front

A small natural object that revolves around another object

Back

Moon

Front

Frozen gas, rock, ice, and dust orbiting the sun

Back

Comet

Front

A rock or iron chunk < 1,000 km in diameter orbiting the sun

Back

Asteroid

Front

A huge ball of hot glowing gases in space that produces its own light and heat

Back

Star

Front

Light streak from a meteoroid

Back

Meteor