Magnetic
loops carry gas and dust above disks of planet-forming material circling stars,
as shown in this artist's conception. These loops give off extra heat, which
NASA's Spitzer Space Telescope detects as infrared light. The colors in this
illustration show what an alien observer with eyes sensitive to both visible
light and infrared wavelengths might see.
NASA's Jet Propulsion Laboratory,
Pasadena, Calif., manages the Spitzer Space Telescope mission for NASA's
Science Mission Directorate, Washington. Science operations are conducted at
the Spitzer Science Center at the California Institute of Technology in
Pasadena. Spacecraft operations are based at Lockheed Martin Space Systems Company,
Littleton, Colorado. Data are archived at the Infrared Science Archive housed
at the Infrared Processing and Analysis Center at Caltech. Caltech manages JPL
for NASA
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