One Ring Zero This provides a large variation in each song's theme, feel, and over all sound. Some lyrics are more poetic, while others tell stories. For One Ring Zero's 2010 release, "Planets", the band composed thirteen new songs to represent the solar system and beyond. Tracks on the album include "An Introduction To Planets," "Mercury," "Venus," "Earth," "Mars Part I," "Mars Part II," "Jupiter," "63 Moons," "Saturn," "Uranus," "Neptune," "Pluto," and "Exoplanets." The concept was inspired by Gustav Holst's nearly century-old orchestral suite "The Planets." As Hearst and Camp put it, "Seemed like maybe it was time to revisit our solar system
Five-planet Nice model Five-planet Nice model The five-planet Nice model is a recent variation of the Nice model that begins with five giant planets, the current four plus an additional ice giant, in a chain of mean-motion resonances. After the resonance chain is broken, the five giant planets undergo a period of planetesimal-driven migration, followed by a gravitational instability similar to that in the original Nice model. During the instability the additional giant planet is scattered inward onto a Jupiter-crossing orbit and is ejected from the Solar System following an encounter with Jupiter. An early Solar System with five giant planets was proposed