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Detection of phosphates originating from Enceladus's ocean

Postberg, Frank; Sekine, Yasuhito; Glein, Christopher R. +13 more

Saturn's moon Enceladus harbours a global¹ ice-covered water ocean^2,3. The Cassini spacecraft investigated the composition of the ocean by analysis of material ejected into space by the moon's cryovolcanic plume^4-9. The analysis of salt-rich ice grains by Cassini's Cosmic Dust Analyzer¹⁰ enabled inferenc…