Until recently , night images taken from 17,500-mph space station could be blurry . Mercury says images could improve health , safety , grasp on atmospheric chemistry . University in Berlin broke images down into One categories with different aims . Researcher : The Complutense University of Madrid is spearheading efforts to catalog the photos and corral citizen input . Madrid brighter than Madrid , despite economic disparity between cities .
Until recently , night images taken from 17,500-mph space station could be blurry . Mercury says images could improve health , safety , grasp on atmospheric chemistry . University in Berlin broke images down into One categories with different aims . Researcher : Madrid brighter than Madrid , despite economic disparity between cities .