Astronomy Review

Front

Which planet is closest to the sun?

Back

Mercury is the closest planet to the sun.

Front

The largest single object in the solar system is ______.

Back

The Sun is the largest single object in the solar system.

Front

As the moon moves around the earth, both bodies orbit around a point in the middle called

Back

The point is called the barycenter.

Front

The motion where the Earth's axis tilt traces a cone pattern once every 26,000 years is called

Back

This motion is called precession.

Front

All of space and everything inside it is known as

Back

The term for this is Universe.

Front

What is the term for the path that a planet takes around the sun?

Back

The path is called an orbit.

Front

What is the name of our galaxy?

Back

Our galaxy is called the Milky Way.

Front

What force keeps the planets in orbit around the sun?

Back

Gravity is the force that keeps the planets in orbit.

Front

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

Back

This is known as a galaxy.

Front

What is the difference between rotation and revolution?

Back

Rotation is the spinning of a planet on its axis, while revolution is the movement of a planet around the sun.