Not so dark matter? The mysterious substance can leave red and blue “fingerprints” in the light.
Future and its syndication partners may earn a commission when you make a purchase through links to our articles. This composite image shows matter in the galaxy cluster 1E 0657-556. The two pink clumps in the image contain most of the “normal” or baryonic matter. However, the blue areas in this image represent where astronomers … Read more