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Galaxy Evolution is Much Faster Process than Previously Thought | Astronomy – Sci-News.com

ALESS 073.1, a star-forming galaxy located 12.5 billion light-years away, has all of the features expected of a much more mature galaxy.

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ALESS 073.1, a star-forming galaxy located 12.5 billion light-years away, has all of the features expected of a much more mature galaxy and has led astronomers to question how it grew so fast.
The starburst galaxy ALESS 073.1 is seen as it was about 1.2 billion years after the Big Bang. Image credit: Cardiff University.
Galaxies come in a variety of shapes, sizes and colors, and are made up of different components such as rotating disks, spiral arms, and bulges (tightly packed groups of stars usually…

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