Space and Astronomy Terms

Front

Space Station

Back

A large building in space where astronauts live and work.

Front

Star

Back

A massive, luminous sphere of plasma held together by gravity.

Front

Comet

Back

A small celestial body made of ice, dust, and rocky material that, when passing close to the sun, heats up and begins to release gases.

Front

Meteor

Back

A small body of matter from outer space that enters the earth's atmosphere.

Front

Rocket

Back

A vehicle designed to propel itself by expelling exhaust gas from one or more rocket engines.

Front

Satellite

Back

An object that orbits a planet or another celestial body.

Front

Moon

Back

A natural satellite that orbits a planet.

Front

Rover

Back

A vehicle designed to explore the surface of a planet or other celestial bodies.

Front

Sun

Back

The star at the center of our solar system.

Front

Galaxy

Back

A system of stars, stellar remnants, interstellar gas, dust, and dark matter.