Sun Ra and his Solar Arkestra Visits Planet Earth unless otherwise noted; Side A: Side B: The sides were switched for the Evidence reissue, as well as being coupled with the album "Interstellar Low Ways". On "Reflections In Blue", "Two Tones", "El Viktor" and "Saturn", recorded at the Balkan Studio, Chicago, November 1, 1956; On "Planet Earth", "Eve" and "Overtones of China" recorded at Rehearsals, late 1957 or 1958; Sun Ra and his Solar Arkestra Visits Planet Earth Sun Ra and his Solar Arkestra Visits Planet Earth is a jazz album by the American musician Sun Ra and his Solar Arkestra. Recorded between late 1956 and 1958, the album
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