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  • Articles about 'Sandro Tacchella'

Articles about 'Sandro Tacchella'

JWST's grism mode captures faint light from ionised hydrogen gas in distant galaxies

‘Messy’ galaxies in the early universe struggled to settle

22 October 2025

Astronomers using the James Webb Space Telescope (JWST) have captured the most detailed look yet at how galaxies formed just a few hundred million years after the Big Bang – and found they were far more chaotic and messy than those we see today.

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Galaxy NGC 1549, seen today and 13 billion years ago

‘Inside-out’ galaxy growth observed in the early universe

11 October 2024

Astronomers have used the NASA/ESA James Webb Space Telescope (JWST) to observe the ‘inside-out’ growth of a galaxy in the early universe, only 700 million years after the Big Bang.

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This infrared image from NASA’s James Webb Space Telescope (JWST) was taken for the JWST Advanced Deep Extragalactic Survey, or JADES, programme.

Early universe crackled with bursts of star formation, Webb Telescope shows

06 June 2023

Among the most fundamental questions in astronomy is: How did the first stars and galaxies form? The James Webb Space Telescope (JWST), a partnership between NASA, the European Space Agency and the Canadian Space Agency, is already providing new insights into this question.

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This image taken by the James Webb Space Telescope highlights the region of study by the JWST Advanced Deep Extragalactic Survey (JADES).

Webb telescope reaches new milestone in its search for distant galaxies

09 December 2022

New findings confirm that JWST has surpassed the Hubble telescope in its ability to observe the early Universe

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