Free Astronomy Magazine September-October 2014

GALAXIES 46 SEPTEMBER-OCTOBER 2014 For the first time, it has been possible to observe a group of stellar superclusters created by the encounter between two large elliptical galaxies, located at the centre of a cluster of galaxies that is among the most interesting in terms of gravitational lensing. A most unique scenario whose existence was in some ways unthinkable. An extraordi superclusters nursery