3D View of Binary Star System LL Pegasi Spiral Cloud | ESO ALMA

3D View of Binary Star System LL Pegasi Spiral Cloud | ESO ALMA

This video shows the observed structure surrounding the binary star system LL Pegasi, as seen by the Atacama Large Millimeter/submillimeter Array (ALMA). ALMA’s observations were able to reveal the exquisitely-ordered 3D geometry of the spiral pattern (seen to the left). The observations match almost perfectly with the predicted theoretical model (to the right). 

Credit: ALMA (ESO/NAOJ/NRAO) / H. Kim et al.

Duration: 32 seconds
Release Date: March 6, 2017

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