Space Systems Review

Front

What are groups of stars that have been assigned pictures or imaginary images called?

Back

Constellations

Front

Why does the sun appear to move across the sky?

Back

Because the Earth is rotating.

Front

What is the invisible force that pulls objects closer together?

Back

Gravity.

Front

What is the push or pull of an object called?

Back

Force.

Front

What is the brightness of a star or planet as seen from Earth?

Back

Apparent Brightness.

Front

What do we call the path that a planet takes around the sun?

Back

Orbit.

Front

What is the name of our galaxy?

Back

The Milky Way.

Front

What is the term for a large group of stars, gas, and dust held together by gravity?

Back

Galaxy.

Front

What is the term for the time it takes for the Earth to complete one rotation on its axis?

Back

Day.

Front

What is the term for the time it takes for the Earth to orbit the sun?

Back

Year.