Wonderful Chandra
observations show that the “Hand of God” supernova remnant MSH 15-52 is slowing
down, while studies of SN 2018zd confirm predictions about the existence a third
type of supernova.
The Hubble Space Telescope has witnessed an exceedingly rare phenomenon over the last 20 years: the unprecedently rapid dimming of a planetary nebula. The cover image shows the evolution between 1996 and 2016.
