(Credit: Jamie Bock/Caltech) NASA CIBER Image The cosmic web is a vast network of galaxies and dark matter that connects the entire observable universe. It is thought to have formed from the uneven distribution of matter in the early universe, which was shaped by gravity. Over time, dense regions of matter collapsed to form galaxies, while less dense regions remained as voids. The galaxies are connected by filaments of dark matter, which is an invisible substance that makes up about 85% of the matter in the universe. The cosmic web is difficult to observe directly, but astronomers have been able to map its structure using a variety of techniques, including gravitational lensing, galaxy surveys, and computer simulations. These observations have revealed that the cosmic web is a complex and dynamic structure, with galaxies constantly moving and interacting with each other. The cosmic web plays an important role in the formation and evolution of galaxies. The filaments of dark matter guide the flow of gas into galaxies, which fuels star formation. The interactions between galaxies can also trigger star formation and mergers. The cosmic web is also a source of information about the early universe. By studying the distribution of galaxies in the cosmic web, astronomers can learn more about how the universe has evolved since the Big Bang. Here are some of the key features of the cosmic web:
The cosmic web is one of the most fascinating and mysterious objects in the universe. Astronomers are still learning about its structure and how it works. However, it is clear that the cosmic web is an essential part of our understanding of the universe. M.C. Cosmic Web Radio
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