Astronomy

Front

What moves in an elliptical orbit around Earth?

Back

The moon.

Front

The Earth moves in an ____________ orbit around the Sun.

Back

Elliptical.

Front

An orbit is...

Back

The path that Earth follows around the Sun.

Front

One full orbit is called a...

Back

Revolution.

Front

What keeps you on Earth?

Back

Gravity.

Front

What is gravity?

Back

A force that pulls objects toward each other.

Front

What is the Sun?

Back

The star at the center of our solar system.

Front

What is a planet?

Back

A large celestial body that orbits a star.

Front

What is the difference between rotation and revolution?

Back

Rotation is the spinning of an object on its axis; revolution is the movement of an object around another object.

Front

What is inertia?

Back

The tendency of an object to resist changes in its state of motion.