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from Washington Post

NASA discovers an underground ocean on Jupiter’s largest moon

This cross-sectional illustration shows the interior of Jupiter's largest moon Ganymede, based on theoretical models, in-situ observations by NASA's Galileo orbiter, and Hubble Space Telescope observations of the moon’s magnetosphere. Image released March

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Europa and Jupiter.

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Ganymede (5,262 km), a moon of Jupiter and the largest moon in the Solar System (larger even than Mercury)

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Ganymede Enhanced: What does the largest moon in the Solar System look like? Ganymede, larger than even Mercury and Pluto, has a surface speckled with bright young craters overlying a mixture of older, darker, more cratered terrain laced with grooves and ridges. Like Earth's Moon, Ganymede keeps the same face towards its central planet, in this case Jupiter.

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Jupiter has 64 moons, and from top to bottom, the moons shown are Io, Europa, Ganymede and Callisto.

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“The moon is a loyal companion. It never leaves. It’s always there, watching, steadfast, knowing us in our light and dark moments, changing forever just as we do. Every day it’s a different version of itself. Sometimes weak and wan, sometimes strong and full of light. The moon understands what it means to be human. Uncertain. Alone. Cratered by imperfections.” ― Tahereh Mafi, Shatter Me

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Mercury, Venus, Earth, The Moon (Luna), Mars, Jupiter, Io, Europa, Ganymede, Callisto, Saturn, Enceladus, Titan, Iapetus, Hyperion, Uranus, Miranda, Neptune and Triton #Astronomy #planetary

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Rare Triple Eclipse On Jupiter - Five spots – one colored white, one blue, and three black – are scattered across the upper half of the planet. The spots are actually a rare alignment of three of Jupiter's largest moons – Io, Ganymede, and Callisto – across the planet's face - Hubble Space Telescope

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