nov 202012
 
Most Peculiar Supernovae Explained by Failed Explosions

  Supercomputer simulations have revealed that a type of oddly dim, exploding star is probably a class of duds—one that could nonetheless throw new light on the mysterious nature of dark energy. A collaboration led by George Jordan at the University of Chicago’s Flash Center for Computational Science has conclusively demonstrated a connection between white [continue reading]

mei 202012
 
 Planetary Nebula is Born of Uncertain Parentage

A new Legacy Image from the Gemini Observatory reveals the remarkable complexity of the planetary nebula Sharpless 2-71 (Sh 2-71). Embroiled in a bit of controversy over its “birth parents” the nebula likely resulted from interactions between a pair of two old and dying stars. Legacy images like this one share the stunning beauty of [continue reading]