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Saturn’s swirling palette

18 November 2014 Astronomy Now

The fluid dynamics of Saturn’s upper cloud layers are interpreted in artistic terms in this 23rd August 2014 image from the Cassini-Huygens mission.

Jupiter Great Red Spot
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Jupiter’s ‘sunburnt’ Great Red Spot

12 November 2014 Astronomy Now

A new analysis of data from NASA’s Cassini mission in combination with lab experiments contradicts the leading theory that the striking colour of Jupiter’s Great Red Spot is due to reddish chemicals upwelling from below.