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Ganymede Moon Facts for Kids Video


                                            Ganymede Moon Facts

Ganymede is the largest satellite in our entire solar system. It is planet Jupiter’s moon. It is larger than Mercury and Pluto and it would have been classified as a planet if it were orbiting the Sun instead of planet Jupiter. This moon has a surface that is completely frozen and a salty ocean beneath the surface. Ganymede takes about seven earth days to complete one orbit of Jupiter as it travels at a speed of 24,321 mph.

Facts you didn’t know: –

  • This satellite was named after Ganymede, a Trojan prince of Greek mythology.
  • The mean radius of Ganymede moon is approximately 1,635 miles.
  • It is the only satellite in our solar system that has a substantial magnetosphere.
  • Ganymede moon was discovered by Galileo Galilei on January 7, 1610.
  • It has a core of metallic iron. This core is covered by a layer of rock that is followed by a crust. This crust is mostly made up of thick ice.
  • The surface temperature of Ganymede is -163°C. It has a thin atmosphere that contains oxygen.
  • This satellite has polar caps. These are probably caused by ice interacting with plasma being funnelled down its magnetic field.
  • Ganymede moon has a low density.
  • Some scientists believe that this moon could harbour life.
  • It cannot be seen with the naked human eye.
  • Ganymede’s distance from Planet Jupiter is 664, 718 miles.
  • Pioneer 10 was the first mission to explore Ganymede up close. Later missions included Voyager missions, Galileo and New Horizons.


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