article_snippet: Astronomers say the latest images could help refine Astronomers estimates of the amount and distribution of dark matter in the lensing galaxy.
article_snippet: Dark matter cannot be seen directly but is believed to make up most of the universe's mass.
article_snippet: Astronomers say the latest images could help refine Astronomers estimates of the amount and distribution of dark matter in the lensing galaxy.
article_snippet: we model for the dark matter in the intervening galaxy cluster gives we the prediction of when the next image will appear because the next image tells we how long each train track is, which correlates with time,' said Professor Rodney.
highlights_snippet: Images could help explain dark matter behaviour in nearby cluster .
  