Inner and outer planets

Front

What are the inner planets?

Back

The inner planets are Mercury, Venus, Earth, and Mars. They are closer to the Sun and are rocky.

Front

What are the outer planets?

Back

The outer planets are Jupiter, Saturn, Uranus, and Neptune. They are larger, mostly made of gas, and have rings.

Front

Why do outer planets have lots of rings?

Back

Outer planets have rings made of ice and rock particles due to their strong gravitational pull.

Front

What is the main reason inner planets have longer days than outer planets?

Back

Inner planets are denser and rotate slower.

Front

Why do outer planets have longer years than inner planets?

Back

Outer planets are farther from the Sun, which means they take longer to orbit it.

Front

Do both inner and outer planets orbit the Sun?

Back

Yes, both inner and outer planets orbit the Sun.

Front

Which group of planets is colder?

Back

The outer planets are colder than the inner planets.

Front

What is the composition of inner planets?

Back

Inner planets are primarily made of rock and metal.

Front

What is the composition of outer planets?

Back

Outer planets are mostly made of gases like hydrogen and helium.

Front

Which planets are known as gas giants?

Back

Jupiter and Saturn are known as gas giants.