Space is a violent place, strewn with galaxies that have cannibalized each other to survive. Some of these survivors are galactic fossils, revealing glimpses of the past because they formed in the early universe.
원문출처 : https://www.cnn.com/2021/02/02/world/dark-matter-halo-ancient-galaxy-scn-trnd/index.html
원문출처 : https://www.cnn.com/2021/02/02/world/dark-matter-halo-ancient-galaxy-scn-trnd/index.html