Astronomers have reconstructed the ‘skeleton’ of the cosmos in unprecedented detail through the largest survey ever carried out by the James Webb Space Telescope. The resulting map tracks how galaxies have evolved since the universe’s infancy, roughly 13 billion years ago, and how they gather within the cosmic web. That web is described as the largest known structure in existence: a vast framework of gas filaments, stars, voids and sheets of dark matter that shapes the large-scale organisation of the universe. It contains countless galaxy clusters, as well as clusters of clusters, and acts as the scaffolding on which the cosmos is built. The new work offers a clearer view of those hidden corners of the universe that lie within that immense structure.
James Webb survey reveals the universe’s cosmic web
Using the James Webb Space Telescope, astronomers have reconstructed the universe in unprecedented detail. The map traces galaxy evolution back to the universe’s infancy and shows how the cosmic web holds the cosmos together.
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