In a Monster Star’s Light, a Hint of Darkness

Last October, as the James Webb Space Telescope beamed down its first long exposures of the sky near the constellation Eridanus, astronomers began to piece together the story of a dim, flickering point of light that seemed to emerge from the deepest recesses of the universe. Whatever it was, it glimmered for too long to be a supernova; a single star, too, was off the table. “It feels like you’re…

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