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Jupiter is shown in visible light for context underneath an artistic impression of the Jovian upper atmosphere’s infrared glow. The brightness of this upper atmosphere layer corresponds to temperatures, from hot to cold, in this order: white, yellow, bright red and lastly, dark red. The aurorae are the hottest regions and the image shows how heat may be carried by winds away from the aurora and cause planet-wide heating. Image credit: J. O’Donoghue, JAXA / Hubble / NASA / ESA / A. Simon / J. Schmidt.

Jupiter’s Powerful Polar Aurorae are Responsible for Upper-Atmospheric Heating, Study Shows

Aug 5, 2021 by News Staff

The upper atmosphere of Jupiter is hotter than expected from the amount of sunlight that it receives: the average temperature should be about minus 73...