"Frontier Fields" galaxy cluster MACS J0717, one of the most complex and distorted galaxy clusters known, is the site of a collision between four clusters. It is located about 5.4 billion light years away from Earth. via NASA http://www.nasa.gov/mission_pages/chandra/frontier-fields-galaxy-cluster-macs-j0717.html
No comments:
Post a Comment
No account no problem. Click anonymous below.