Inner & Outer Planets

Front

What unit of measurement do astronomers use to measure distances in the solar system?

Back

Astronomical units (AU)

Front

Why do outer planets have longer orbital periods than inner planets?

Back

The outer planets are farther from the sun.

Front

Which group of planets in the solar system is generally colder?

Back

Outer planets.

Front

What is the primary composition of the outer planets?

Back

Gaseous.

Front

List the outer planets in our solar system.

Back

Jupiter, Saturn, Uranus, Neptune.

Front

What are the inner planets primarily composed of?

Back

Rocky materials.

Front

Name the inner planets of the solar system.

Back

Mercury, Venus, Earth, Mars.

Front

What is the average temperature trend as you move from inner to outer planets?

Back

Temperatures generally decrease.

Front

What is the significance of the asteroid belt in the solar system?

Back

It separates the inner rocky planets from the outer gas giants.

Front

How does the size of the outer planets compare to the inner planets?

Back

Outer planets are significantly larger.