The large-scale structure of the Universe arises from the gravitational amplification of primordial fluctuations, producing a cosmic web of galaxies, filaments, clusters and voids. At sufficiently ...
Scientists have developed a groundbreaking tool called Effort.jl that lets them simulate the structure of the universe using just a laptop. The team created a system that dramatically speeds up how ...
Astronomers have developed a new way to test one of the central assumptions of modern cosmology — that the universe behaves uniformly on the largest scales. When applying the method to real ...
UC Santa Cruz physicist Stefano Profumo has put forward two imaginative but scientifically grounded theories that may help solve one of the biggest mysteries in physics: the origin of dark matter. In ...
A new JCAP study tests an “emulator” to reconstruct the large-scale structure of the cosmos If you think a galaxy is big, compare it to the size of the Universe: it’s just a tiny dot which, together ...
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Astronomers find evidence we live inside a colossal structure so vast no existing model had imagined its scale
A ring-shaped arrangement of galaxies stretching roughly 1.3 billion light-years in diameter has been identified in the distant universe, and its size and geometry do not fit neatly into current ...
The Universe on the largest scales exhibits a complex network of filaments, sheets and voids that together form the cosmic web. This web is generated by the gravitational growth of primordial density ...
An artistic illustration of the mechanism proposed by Professor Stefano Profumo where quantum effects near the rapidly expanding cosmic horizon after the Big Bang gravitationally generate dark matter ...
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