Crossword clues for the word: CALLISTO The word CALLISTO has appeared as an answer to at least 10 crossword clues on different crossword puzzles. Crossword clues for CALLISTO Showing 1 to 10 of 10 results Clue(s) Communication attempt is to one of Jupiter's moons (8) Jovian moon Large Jovian moon Nymph changed into a bear Nymph of Greek mythology One of Jupiter's Galilean satellites Satellite of Jupiter discovered by Galileo in 1610 Satellite phone, one with extremely strident ring Second largest of Jupiter's satellites Summons is to one of Jupiter's companions (8)