Space and astronomy news
According to our predominant cosmological models, Dark Matter makes up the majority of mass in the Universe . While it is not detectable in visible light, its influence can be seen based on how it causes matter to form large-scale structures in our Universe. Based on ongoing observations, astronomers have determined that Dark Matter structures are filamentary, consisting of long, thin strands.
Hubble Space Telescope offers a cosmic cobweb of galaxies and invisible dark matter in the cluster Abell 611. Credit: ESA/Hubble, NASA, P. Kelly, M. Postman, J. Richard, S. Allen Our accepted cosmological models predict that galaxy clusters grow at the intersection of Dark Matter filaments that make up the large-scale structure of the Universe and extend for tens of millions of light-years. While this hypothesis is supported by observations of the distribution of galaxies and gas in the Universe, there have been no direct detections of the dark matter component of intracluster filaments until now.
This cluster is located 321 million light-years away in the direction of the constellation Coma Berenices and contains over 1,000 identified galaxies. It is also one of the largest and closest galaxy clusters, which makes it a good candidate for looking for faint signs of Dark Matter. However, its proximity also makes it difficult to observe the entire cluster.
In short, the team observed how light was amplified by Dark Matter strands that stretched for millions of light years. This is the first time these strands have been confirmed directly, providing new evidence for Dark Matter and a means of testing cosmological theories.
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