Planetary motion

Front

What time period is represented by Earth's rotation?

Back

day

Front

What is gravity?

Back

a force between any two objects that pulls them together

Front

The time it takes for a planet to complete one rotation on its axis is called...

Back

a period of rotation.

Front

What is Kepler's 1st law?

Back

The planets orbit in an ellipse

Front

How does the mass of an object affect the gravitational attraction of an object?

Back

The greater the mass of the object the greater the gravitational force.

Front

What is a planet?

Back

A large object that orbits a star.

Front

What is the sun?

Back

A star at the center of our solar system.

Front

What is an orbit?

Back

The path an object takes as it moves around another object in space.

Front

What is a satellite?

Back

An object that orbits a planet.

Front

What is the difference between rotation and revolution?

Back

Rotation is when a planet spins on its axis; revolution is when a planet orbits around the sun.