Light from the earliest galaxies zapped their surrounding gas, lifting the curtain on the cosmos, according to new research.
The researchers found that regions around the galaxies were bubbles of transparency, suggesting that the galaxies themselves were involved in the reionization of the universe.“As we look back into the teeth of reionization, we see a very distinct change,” said study co-author Simon Lilly, an astronomer at ETH Zürich in Switzerland, and the leader of the research team, in a Space Telescope Science Institute.
Light from the quasar showed precisely where it was being absorbed by gas or continued to travel The transparent regions around galaxies were generally about 2 million light-years across, according to the same release.The transparent regions surrounding galaxies swelled and combined, eventually rendering the entire universe transparent.
One outstanding item Webb alone cannot decipher is how the luminous quasar became so large so early in the universe’s evolution. J0100+2802 is about 10 billion times the Sun’s mass.
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