Watch the king of the planets turn on its throne

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.

This true-colour image of Jupiter’s iconic Great Red Spot (GRS) was created by citizen scientist Björn Jónsson using data from the JunoCam imager on NASA’s Juno spacecraft.

The Hubble Space Telescope checks in on Jupiter, capturing another sunning view of the giant planet, its Great Red Spot and a colourful tapestry of turbulant cloud bands.