New details from the Webb telescope indicate there might be a fundamental problem with our understanding of the universe. The spiral galaxy NGC 4258, imaged by the Hubble Space Telescope, measures ...
The filament of matter stretches 50 million light-years, and contains a row of galaxies 5.5 million light-years long that are rotating in sync with the filament. When you purchase through links on our ...
Voracious supermassive black holes light up the cores of “active” galaxies across the universe. How we see them, however, is a matter of perspective ...
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