Aurorae On The Moon Of Jupiter
by Nasa/esa/stsci/science Photo Library
Title
Aurorae On The Moon Of Jupiter
Artist
Nasa/esa/stsci/science Photo Library
Medium
Photograph - Photograph
Description
Illustration of aurorae on Jupiter's moon Ganymede (foreground) as it orbits the gas giant (background). Two auroral ovals (blue) can be seen over northern and southern mid-latitudes. As on Earth, Ganymede's aurorae are produced by energetic charged particles causing gases to fluoresce. The aurorae are controlled by Ganymede's magnetic fields, but are also influenced by Jupiter's magnetic field. Measurements of the shift in the aurorae caused by Jupiter have shown that a saline ocean exists under Ganymede's crust.
Uploaded
November 15th, 2019
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