ocr: Comet Shoemaker-Levy 9 Fragment H Collides with Jupiter South Pole Infrared Explorer (SPIREX) The University of Chicago Center for Astrophysical Rescarch inAntarctica (CARA) These near-infrared (2.36 micron) images were taken by the South Pole Infrared Explorer telescope (SPIREX) beginning at 2:21 p.m. (Chicago), 18 July 1994, at five-minute intervals. Jupiter's moons Thebe (far left) and Ganymede (top left) are visible. The impact site of Fragment G has rotated back into view and is visible as a bright spot near the planet's southern pole. SPIREX, built and operated by scientists at the Unive ...