Astronomy

Swirling ammonia over Jupiter

Print edition : July 08, 2016

The VLA radio map of the region around the Great Red Spot in Jupiter’s atmosphere shows complex upwellings and downwellings of ammonia gas (upper map) that shape the colourful cloud layers seen in the approximately true-colour Hubble map (lower map). Two radio wavelengths are shown in blue (2 cm) and gold (3 cm), probing depths of 30-90 km below the clouds. Photo: Picture courtesy: Michael H. Wong, Imke de Pater, Robert J. Sault. Optical: NASA, ESA, A.A. Simon, M.H. Wong

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