... Tonight's Sky . ... Herschel links Jupiterт??s water to comet impact . Only the space observatory was able to provide the sensitive spectral imaging needed to find the missing link between Jupiter s water and the 1994 impact of Comet Shoemaker-Levy 9. ... Only Herschel was able to provide the sensitive spectral imaging needed to find the missing link between Jupiter s water and the 1994 impact of comet Shoemaker-Levy 9, said Thibault Cavali of the Laboratory of Astrophysics of Bordeaux. ...