Juno will fly around Jupiter’s moon tomorrow

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Prepared by: Dhamia Faleh
Tomorrow, NASA’s Juno spacecraft will fly 1,038 km from Ganymede, the largest moon of Jupiter, which is the first approach in more than 20 years to the largest natural satellite in the solar system after the Galileo spacecraft, which approached 1,000 km from Ganymede on May 20, 2000. Juno will collect data about 3 hours from the moon before the approach peak. Ganymede is 5,262 kilometers in diameter, larger than Mercury and the dwarf planet Pluto, the largest moon in our solar system and the only moon to have its own magnetic field. And NASA will provide, through an interactive broadcast, experts with information first-hand on the journey in which Juno, which is powered by solar energy, will cross the circumference of the moon at a speed of 19 kilometers per second and take 5 pictures of the moon Ganymede. Juno had reached Jupiter on July 4, 2016, after a 5-year journey to observe Ganymede and collect information about its temperature and soil type. Ganymede consists of 3 layers: the moon’s core of iron necessary to create gravity, then a layer of rock surrounding the core, and an outer shell mostly made of snow, 497 miles thick. Scott Bolton of the Texas Research Center commented: “There are dark and bright areas in the Ganymede snow cover, which means there is a thick layer of snow in some areas and snow with mud in other areas.” Juno will continue to explore Jupiter, the largest planet in our solar system, until September 2025, or when the spacecraft expires.





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