Galaxies and Gravity Review

Front

What happens to the pull of gravity as the distance between two objects increases?

Back

The pull of gravity decreases.

Front

What is the force of gravity acting on an object called?

Back

Weight.

Front

What distance measurement do astronomers use for distant objects?

Back

Light Years.

Front

What never changes no matter where in the universe?

Back

Mass.

Front

What type of galaxy is the Milky Way?

Back

Spiral.

Front

What is the relationship between mass and weight?

Back

Weight is the force of gravity acting on mass.

Front

What is the unit of measurement for mass?

Back

Kilograms.

Front

What is the effect of gravity on objects in space?

Back

It keeps them in orbit around larger bodies.

Front

What is the term for a galaxy that has no defined shape?

Back

Irregular galaxy.

Front

What is the primary force that governs the motion of planets?

Back

Gravity.