The X-ray sky crackles with previously unimagined action: exploding stars, gas swirling into monster black holes, and pile - driver smashups of whole clusters of galaxies. (discovermagazine.com)
An infrared telescope has revealed fresh clouds of dust from gigantic smashups between rocky bodies, signs that planet - building and destruction take longer and are more violent than astronomers had assumed. (sciencemag.org)
This type of cosmic smashup is the likely fate of the Milky Way and the Andromeda galaxies. (discovermagazine.com)