... A Jupiter Io Montage from New Horizons . ... In February of last year, New Horizons passed Jupiter and the ever-active Jovian moon Io. In this montage, Jupiter was captured in three bands of infrared light making the Great Red Spot look white. Quadrantid Meteors and Aurora from the Air . ... Why does Jupiter have rings? Jupiter's rings were discovered in 1979 by the passing Voyager 1 spacecraft, but their origin was a mystery. ... APOD: 2008 January 2- A Galaxy is not a Comet . ...