Abstract
X-ray images of the Puppis A and IC 443 supernova remnants, recorded with a rocket-borne imaging X-ray telescope, are presented. These images indicate a complex X-ray morphology and only weak correlation with the radio and optical pictures. The observations lend further support to a picture wherein Puppis A, IC 443, and possibly most other supernova remnants of moderate age result from blast waves propagating into a substantially inhomogeneous interstellar medium. We conclude that caution must be used in interpreting X-ray observations in terms of simple blast-wave models where spherical symmetry is assumed.
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