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Jupiter's Temperate Belt/Zone Contrasts Revealed at Depth by Juno Microwave Observations

Bolton, S.; Fletcher, L. N.; Wong, M. H. +12 more

Juno microwave radiometer (MWR) observations of Jupiter's midlatitudes reveal a strong correlation between brightness temperature contrasts and zonal winds, confirming that the banded structure extends throughout the troposphere. However, the microwave brightness gradient is observed to change sign with depth: the belts are microwave-bright in the…

Jupiter's Great Red Spot: Strong Interactions With Incoming Anticyclones in 2019

Hansen, C. J.; Hueso, R.; Sánchez-Lavega, A. +19 more

Jupiter's Great Red Spot (GRS), a giant anticyclone, is the largest and longest lived of all the vortices observed in planetary atmospheres. During its history, the GRS has shrunk to half its size since 1879, and encountered many smaller anticyclones and other dynamical features that interacted in a complex way. In 2018-2020, while having a histor…

Vertical Distribution of Aerosols and Hazes Over Jupiter's Great Red Spot and Its Surroundings in 2016 From HST/WFC3 Imaging

Irwin, Patrick G. J.; Sánchez-Lavega, Agustín.; Anguiano-Arteaga, Asier +2 more

In this work, we have analyzed images provided by the Hubble Space Telescope's Wide Field Camera 3 (HST/WFC3) in December 2016, with a spectral coverage from the ultraviolet to the near infrared. We have obtained the spectral reflectivity of the GRS and its surroundings, with particular emphasis on selected, dynamically interesting regions. A spec…