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FU Orionis Disk Illustration

Dec 18, 2018
This illustration shows a young star undergoing a type of growth spurt.

click here for larger version of figure 1 for PIA22917
Figure 1

click here for larger version of figure 2 for PIA22917
Figure 2

click here for larger version of figure 3 for PIA22917
Figure 3
Click on images for larger versions


This illustration shows a young star undergoing a type of growth spurt. Left panel: Material from the dusty and gas-rich disk (orange) plus hot gas (blue) mildly flows onto the star, creating a hot spot. Middle panel: The outburst begins - the inner disk is heated, more material flows to the star, and the disk creeps inward. Right panel: The outburst is in full throttle, with the inner disk merging into the star and gas flowing outward (green).

NASA's Jet Propulsion Laboratory, Pasadena, California, manages the Spitzer Space Telescope mission for NASA's Science Mission Directorate, Washington. Science operations are conducted at the Spitzer Science Center at Caltech in Pasadena, California. 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 (IPAC) at Caltech. Caltech manages JPL for NASA.

For more information about the Spitzer mission, visit http://www.nasa.gov/spitzer and http://spitzer.caltech.edu.

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Caltech/T. Pyle (IPAC)
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