![](https://www.olcf.ornl.gov/wp-content/uploads/2014/05/SASI2-graph.png)
Now, more than a decade later, researchers mapping radiation signatures from the Cassiopeia A supernova with NASA’s NuSTAR high-energy x-ray telescope array have published observational evidence that supports the SASI model.
![OLCF Staff Writer](https://www.olcf.ornl.gov/wp-content/uploads/no-image-100x100.png)
OLCF Staff WriterMay 6, 2014