Peering into the early Universe some 12 billion years ago, scientists have for the first time seen the incandescent filaments of hydrogen gas known as the "cosmic web." Models have long predicted its existence, but until now the cosmic web had never been directly observed and captured in images

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source https://www.reddit.com/r/worldnews/comments/m7h95v/peering_into_the_early_universe_some_12_billion/