SPIREXSouth Pole Infrared Explorer
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The pieces of the comet Shoemaker-Levy 9 (1994) were tracked continuously with the SPIREX (South Pole InfraRed EXplorer) telescope as they crashed into Jupiter.
CARA includes several telescopes that study the cosmic microwave background, a new and more sensitive version of the infrared SPIREX, and a radio telescope called AST/RO (Antarctic Submillimeter Telescope/Remote Observatory), which is looking at certain areas of the spectrum that will tell scientists more about interstellar gas clouds, star formation, and galactic nuclei--specifically, the neutral carbon and carbon monoxide lines.