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宇宙中的神秘“小红点”是什么?
Ke Ji Ri Bao· 2026-01-16 02:16
Core Insights - The James Webb Space Telescope has detected a series of unusual "red dots" in the early universe, which are not typical galaxies but emit a faint red glow, suggesting they may hold significant information about cosmic evolution [1][2] - Initial hypotheses proposed that these objects could either be young galaxies forming stars or supermassive black holes, but their spectral characteristics do not align with known models for either category [1][2] Group 1 - The spectral features of these red dots match a theoretical scenario where photons interact with dense gas clouds around black holes, leading to energy loss and a redshift effect [2] - The actual size of these black holes may be only one percent of previous estimates, indicating that they are in an early developmental stage rather than being fully matured cosmic entities [2] - The study raises questions about the weak X-ray emissions from these bodies, which could be due to gas absorption or unique black hole accretion processes [2] Group 2 - The ongoing observations by the James Webb Space Telescope and future advanced telescopes aim to uncover the growth history of these black holes, exploring how they evolve from small seeds to central gravitational forces in galaxies [2][3] - The findings represent the first insights into the "childhood" of black holes, with these red dots serving as a mysterious clue in understanding their early development [3]