A schematic view of the history of the accretion disk and the intruding object (IMAGE)
Caption
A schematic view of the history of the accretion disk and the intruding object. The three plots starting from the bottom left are snapshots from the numerical simulation, depicting the system at the time of the flyby event, 4000 years later, and 8000 years after that, respectively. The top right image is from the ALMA observations, showing the disk with spirals and two objects around it, corresponding to the system 12,000 years after the flyby event.
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SHAO
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