Falling into the gas giant planet Saturn - A 360 VR simulation (Scary Edition). In this 360 VR space simulation we are falling into the gas giant planet Saturn. Saturn is the sixth planet from the Sun and the second-largest in the Solar System, after Jupiter. It is a gas giant with an average radius of about nine and a half times that of Earth. It has only one-eighth the average density of Earth; however, with its larger volume, Saturn is over 95 times more massive.