unit 6 7th grade

Front

Gravity

Back

Force by which a planet or other body draws objects toward its center.

Front

Comet

Back

A celestial object consisting of a nucleus of ice and dust, with a tail of gas and dust particles pointing away from the sun.

Front

Kuiper belt

Back

A region of space located past Neptune.

Front

Meteor

Back

A small piece of matter from outer space that becomes a streak of light when it falls through Earth's atmosphere and burns up.

Front

Oort cloud

Back

The most distant region of our solar system.

Front

Revolution

Back

One complete trip of a planet around the Sun.

Front

Rotation

Back

The spinning of a planet or moon on its axis.

Front

Orbit

Back

A regular, repeating path that one object takes around another object or center of gravity.

Front

Terrestrial

Back

Rocky worlds composed of rock, silicate, water, and/or carbon.

Front

Jovian planets

Back

"Giant planets" that are the outermost planets in our solar system.