Abundance of the chemical elements in the Sun and outer planets is similar to that in the universe. Due to solar heating, the elements of Earth and the inner rocky planets of the Solar System have undergone an additional depletion of volatile hydrogen, helium, neon, nitrogen, and carbon (which volatilizes as methane). The crust, mantle, and core of the Earth show evidence of chemical segregation plus some sequestration by density. Lighter silicates of aluminum are found in the crust, with more magnesium silicate in the mantle, while metallic iron and nickel compose the core. The abundance of elements in specialized environments, such as atmospheres, or
Journey to the Centre of the Earth (album) Icelandic alchemist. Wakeman performs with the London Symphony Orchestra, the English Chamber Choir, and a group of hand-picked musicians for his rock band, which later became the English Rock Ensemble. Actor David Hemmings narrates the story. "Journey to the Centre of the Earth" was overall well received by music critics. It reached No. 1 on the UK Albums Chart, the first album from A&M to do so, and peaked at No. 3 on the "Billboard" 200 in the United States. It was certified gold by the Recording Industry Association of America in October 1974 for selling 500,000 copies. The album