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
Geology of solar terrestrial planets Their size, radius, and density are all similar. Terrestrial planets have numerous similarities to plutoids (objects like Pluto), which also have a solid surface, but are primarily composed of icy materials. During the formation of the Solar System, there were probably many more (planetesimals), but they have all merged with or been destroyed by the four remaining worlds in the solar nebula. The terrestrial planets all have roughly the same structure: a central metallic core, mostly iron, with a surrounding silicate mantle. The Moon is similar, but lacks a substantial iron core. Three of the four solar terrestrial planets (Venus,