What do you think?

Again, imagine you are a first-time visitor to our solar system. You come in and pass the Gas Giant planets on your way to the inner solar system and the Rocky Planets. At first glance, what differences would you see between the Gas Giant planets and the Rocky Planets?

Image of Gas Giant Planet Jupiter.
JupiterPublic Domain | Image courtesy of NASA.

Image of Gas Giant Planet Saturn with Rings.
SaturnPublic Domain | Image courtesy of NASA.

Image of Gas Giant Planet Uranus.
UranusPublic Domain | Image courtesy of NASA.

Image of Gas Giant Planet Neptune.
NeptunePublic Domain | Image courtesy of NASA.