Fifteen Years of High-Resolution Radio Imaging of Supernova 1987A
Fifteen Years of High-Resolution Radio Imaging of Supernova 1987A
Supernova 1987A in the Large Magellanic Cloud provides a spectacularly detailed view of the aftermath of a coreācollapse explosion. The supernova ejecta initially coasted outward at more than 10% of the speed of light, but in 1990 were observed to decelerate rapidly as they began to encounter dense circumstellar material ā¦