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The dipole magnetic field created by this permanent moment has a strength of 719 ± 2 nT at Ganymede's equator, [23] which should be compared with the Jovian magnetic field at the distance of Ganymede—about 120 nT. [95] The equatorial field of Ganymede is directed against the Jovian field, meaning reconnection is possible. The intrinsic field ...
The Earth seen from Apollo 17.jpg FullMoon2010.jpg Ganymede, moon of Jupiter, NASA.jpg: Author: Apollo 17 Picture of the Whole Earth: NASA. Telescopic Image of the Full Moon: Gregory H. Revera Computer-enhanced image of Ganymede: NASA/JPL/DLR
One way to decrease loss from sputtering is for the moon to have a strong magnetic field of its own that can deflect stellar wind and radiation belts. NASA's Galileo ' s measurements suggest that large moons can have magnetic fields; it found Ganymede has its own magnetosphere, even though its mass is only 2.5% of Earth's. [18]
(Ice has less tensile strength than rock, and is deformed at lower pressures and temperatures than rock.) The evidence is perhaps strongest for Ganymede, which has a magnetic field that indicates the fluid movement of electrically conducting material in its interior, though whether that fluid is a metallic core or a subsurface ocean is unknown ...
Mr King said: “This has allowed us to carry out detailed mapping of Europa and Ganymede, observing features on their surfaces smaller than 150km across – all at distances over 600 million ...
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
The core, the likely cause of Ganymede's magnetic field, would have a temperature near 1600 K. This particular environment is suspected to be likely to be habitable. [ 23 ] The moon is set to be the subject of investigation by the European Space Agency 's Jupiter Icy Moons Explorer , which was launched in 2023 and will reach the Jovian system ...
The image depicts magnetic field of the Jovian satellite Ganymede embedded into the magnetosphere of Jupiter. The image is based on the reported Galileo measurements. [1] [2] The green color denotes closed field lines. The model used for this work is a superposition of the background Jovian field (120 nT) and the intrinsic field (720 nT at the ...