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The JWST telescope revealed that dust in ancient galaxies barely blocks light — a discovery that reshapes our understanding of cosmic evolution.
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In the early universe, dust from stellar explosions was nearly transparent, like a faint haze, letting ultraviolet pass. This explains why the James Webb Telescope sees so many brilliant galaxies at the dawn of time — they shine through the mist rather than drowning in the smog of later dust.
🎯 Dust grains from supernovae are hundreds of times smaller than UV waves: light slips through them like water through a coarse sieve, meeting no resistance.