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Ganymede's magnetic field is probably created by convection within its core, and influenced by tidal forces from Jupiter's far greater magnetic field. [23] Ganymede has a thin oxygen atmosphere that includes O, O 2, and possibly O 3 . [17] Atomic hydrogen is a minor atmospheric constituent.
The mixture of chemicals that make up the frozen surfaces on two of Jupiter’s largest moons have been revealed in the most detailed images of them ever taken by a telescope on Earth.
The largest, Ganymede, is the largest moon in the Solar System and surpasses the planet Mercury in size (though not mass). Callisto is only slightly smaller than Mercury in size; the smaller ones, Io and Europa, are about the size of the Moon. The three inner moons — Io, Europa, and Ganymede — are in a 4:2:1 orbital resonance with
U.S. Space Force space systems Name Space system image Mission Operator AN/FPS-85: Space surveillance: Mission Delta 2: C-Band Space Surveillance Radar System [181] Space surveillance: Mission Delta 2: Cobra Dane: Missile defense Space surveillance [182] Mission Delta 4: Ground-Based Electro-Optical Deep Space Surveillance (GEODSS) Space ...
This image of the dark side of the Jovian moon Ganymede was obtained by the Stellar Reference Unit star camera aboard NASA's Juno spacecraft during its June 7, 2021, flyby of the icy moon.
NASA expects more colorful images soon. NASA's Juno probe at Jupiter beamed back close-up photos of the planet's largest moon, Ganymede, for the first time in 2 decades Skip to main content
Ganymede was shown to possess a magnetic field and the spacecraft found new evidence for exospheres around Europa, Ganymede, and Callisto. Galileo also discovered that Jupiter's faint ring system consists of dust from impact events on the four small inner moons. The extent and structure of Jupiter's magnetosphere was also mapped.
This is a list of named geological features, except craters, on Ganymede, a moon of Jupiter. The list is complete as of August 2022. The list is complete as of August 2022. Catenae (crater chains)