Outer Space Vocabulary

Front

What is the motion of one object around another one?

Back

Revolution

Front

What is the spinning of an object on its axis called?

Back

Rotation

Front

What is an object made of rock and ice that orbits around the Sun and appears to have a tail?

Back

Comet

Front

What is the name of the galaxy our solar system is located in?

Back

Milky Way

Front

What do we call a group of solar systems, dust, and gas held together by gravity?

Back

Galaxy

Front

What is the term for a large celestial body that orbits a star?

Back

Planet

Front

What is the name of the path that a planet takes around the Sun?

Back

Orbit

Front

What is the term for the force that pulls objects toward each other?

Back

Gravity

Front

What is a small rocky body that orbits the Sun, mostly found in the asteroid belt?

Back

Asteroid

Front

What do we call the natural satellite that orbits a planet?

Back

Moon