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In July 2004, NASA’s Cassini spacecraft entered into orbit around Saturn. Named for the Italian-French astronomer Giovanni Domenico Cassini, the spacecraft will study Saturn, its many moons, and it’s famous rings. The major rings of Saturn were named for the first seven letters of the alphabet The letters (notes) D, C, B (Bb), A, F, G and E form the order of the rings based on their respective distance from the planet. This tone row serves as the basis for the melodic material in Cassini’s Rings.
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