Question

The outer planets are made mostly of gas which makes them...

1. denser than the gaseous inner planets.
2. less dense than the gaseous inner planets.
3. denser than the solid inner planets.
4. less dense than the solid inner planets.

Answer 1

The four planets farthest from the sun—Jupiter, Saturn, Uranus, and Neptune—are called the outer planets of our solar system. s the relative sizes of the outer planets and the Sun. Because they are much larger than Earth and the other inner planets, and because they are made primarily of gases and liquids rather than solid matter, the outer planets are also called gas giants