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One of the largest remaining questions in understanding the upper atmosphere of Jupiter, the outmost layer of the atmosphere, is: ‘Why is this region so very hot?’. Out where Jupiter orbits the Sun, the sunlight is very faint, and cannot provide enough energy to produce the temperatures that we measure.We call this the ‘energy crisis’. […]
Dr. Leigh Fletcher discusses how Juno could revolutionise our understanding of the origins of Jupiter via gravitational mapping of its internal structure. The presence of Jupiter has had a profound influence on the architecture of our solar system, shaping the conditions that have led to the stable, habitable environment that exist here on Earth. […]
Water, water, everywhere. Dr. Leigh Fletcher appeared on this month’s episode of BBC Sky at Night to discuss Juno’s goals at Jupiter, and describes the importance of Jupiter’s water in this new post. If our ideas about the formation of giant planets stand up to the observational tests of the Juno […]
As part of the ground based support for the Juno mission, I visited the Mauna Kea Observatories, Hawaii, in February through to the beginning of March this year. I was observing Jupiter’s Northern lights while Juno was speeding its way towards Jupiter. During this time, Juno’s instruments had been switch on and it was busy […]