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The most distant twin of the Milky Way ever observed

ScienceDaily
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80% Informative

An international team led by the University of Geneva ( UNIGE ) has discovered the most distant spiral galaxy candidate known to date.

This ultra-massive system existed just one billion years after the Big Bang and already shows a remarkably mature structure, with a central old bulge, a large star-forming disk, and well-defined spiral arms.

The discovery was made using data from the James Webb Space Telescope (JWST).

Astronomy & Astrophysics , 2025 ; 696 : A156.

Discovery of an ultra-massive grand-design spiral galaxy at z 5.2.2.

Findings were published in the Astronomy and Astrophysical Journal of the Astronomerics journal.

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90

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53

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formal

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English

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66

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not hateful

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long-living

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