article_snippet: Jupiter-orbiting moon Ganymede has an ocean beneath
article_snippet: provided hints that Jupiter-orbiting moon Ganymede has a subsurface ocean during .
article_snippet: exploration of Jupiter and Hubble Space Telescope moons from 1995 to 2003.
article_snippet: In this artist’s concept, Jupiter-orbiting moon Ganymede Jupiter-orbiting moon Ganymede orbits the giant planet Jupiter.
article_snippet: Scientists first suspected an ocean in Jupiter-orbiting moon Ganymede in the 1970s, based on models of the large moon.
article_snippet: Jupiter-orbiting moon Ganymede's northern and southern polar regions.
article_snippet: Using computer models, Scientists realized that a . salty, electrically conductive ocean beneath the moon's surface . was counteracting the giant planet Jupiter's magnetic pull. '
article_snippet: Ganymede joins a growing list of moons in the outer solar .
article_snippet: Other water-rich worlds include Jupiter moons Europa and .
article_snippet: NASA Hubble Space Telescope images of Ganymede's auroral belts (colored blue in this illustration) are overlaid on a Galileo orbiter image of Saturn's moon Enceladus.
article_snippet: water-rich environment in our solar system,' said astronomer .
highlights_snippet: Hubble Space Telescope confirmed Jupiter-orbiting moon  has an ocean .