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Stories by Robert T. Pappalardo

The Hidden Ocean of Europa

Doodles and freckles, creamy plains and crypto-icebergs--the amazing surface of Jupiter's brightest icy moon hints at a global sea underneath

September 1, 2003 — James W. Head, Robert T. Pappalardo and Ronald Greeley

The Hidden Ocean of Europa

Doodles and freckles, creamy plains and crypto-icebergs--the amazing surface of Jupiter's brightest icy moon hints at a global sea underneath

October 1, 1999 — Robert T. Pappalardo, James W. Head and Ronald Greeley

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