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  2. Ganymede (moon) - Wikipedia

    en.wikipedia.org/wiki/Ganymede_(moon)

    Whether Ganymede has an ionosphere associated with its atmosphere is unresolved. [24] Ganymede's surface is composed of two main types of terrain, the first of which are lighter regions, generally crosscut by extensive grooves and ridges, dating from slightly less than 4 billion years ago, covering two-thirds of Ganymede.

  3. Galileo project - Wikipedia

    en.wikipedia.org/wiki/Galileo_project

    The data Galileo collected supported the theory of a liquid ocean under the icy surface of Europa, and there were indications of similar liquid-saltwater layers under the surfaces of Ganymede and Callisto. Ganymede was shown to possess a magnetic field and the spacecraft found new evidence for exospheres around Europa, Ganymede, and Callisto.

  4. Galilean moons - Wikipedia

    en.wikipedia.org/wiki/Galilean_moons

    Ganymede (Jupiter III), the third Galilean moon, is named after the mythological Ganymede, cupbearer of the Greek gods and Zeus's beloved. [41] Ganymede is the largest natural satellite in the Solar System at 5262.4 kilometers in diameter, which makes it larger than the planet Mercury – although only at about half of its mass [ 42 ] since ...

  5. Sharpest Earth-based images of Europa and Ganymede ... - AOL

    www.aol.com/sharpest-earth-based-images-europa...

    The images provide new insights into the chemical composition of the moons, including geological features such as long rift-like lines cutting across Europa’s surface. Ganymede and Europa are ...

  6. Solar Orbiter captures the highest-resolution images of the ...

    www.aol.com/news/solar-orbiter-captures-highest...

    The images, taken on March 22, 2023, and released Wednesday, showcase different dynamic aspects of the sun, including the movements of its magnetic field and the glow of the ultrahot solar corona ...

  7. File:Ganymede, moon of Jupiter, NASA.jpg - Wikipedia

    en.wikipedia.org/wiki/File:Ganymede,_moon_of...

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  8. NASA's Jupiter probe beams back first pictures of Ganymede - AOL

    www.aol.com/news/nasas-jupiter-probe-beams-back...

    The Juno probe will make flybys of three of Jupiter's moons thanks to a mission extension.

  9. List of Solar System objects by size - Wikipedia

    en.wikipedia.org/wiki/List_of_Solar_System...

    The size of solid bodies does not include an object's atmosphere. For example, Titan looks bigger than Ganymede, but its solid body is smaller. For the giant planets, the "radius" is defined as the distance from the center at which the atmosphere reaches 1 bar of atmospheric pressure. [11]