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FU Orionis Disk Illustration
Public domain

FU Orionis Disk Illustration

NASA / JPL · 2018-12-18 · photograph (digital archive)

From the collection of NASA Image and Video Library. Free to download, adapt and use — no permission needed.

About this work

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 Image and Video Library’s own description
Credit lineFU Orionis Disk Illustration. NASA/JPL, 2018-12-18. Public domain. ID: PIA22917.
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