The Bug Nebula, NGC 6302, is one of the brightest and most extreme planetary nebulae known. At its centre lies a superhot dying star smothered in a blanket of ‘hailstones’. A new Hubble image reveals fresh detail in the wings of this ‘cosmic butterfly’.
Read more:
http://www.esa.int/esaCP/SEM2L477ESD_FeatureWeek_0.html