Cosmic Neon Sign: Gas Glows Brighter Than Stars ⚡ экспресс
Original: "A hot, nebular-dominated galaxy interacting with a pristine PopIII system uncovered by JWST"
A distant galaxy turned out to be like a neon sign: hot gas outshone all the stars.
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In a galaxy at the edge of the visible Universe, the glow of hot gas outshone starlight. The James Webb Space Telescope peered into an era when the first giant stars were born from pure hydrogen and helium. Perhaps their remnants still heat the cosmic gas, making distant galaxies unexpectedly bright.
🎯 The Balmer jump works like a cosmic thermometer: by its magnitude astronomers determine gas temperature with an accuracy of a few thousand degrees.