Astronomers have recently discovered something that was previously thought impossible: giant baby galaxies from the early universe. These galaxies, which exist 12 billion light-years away, are surprisingly large for such a young age. This discovery has implications for our understanding of the evolution of galaxies, and how their sizes have changed over time.

This discovery was made by the Hubble Space Telescope and the Atacama Large Millimeter/submillimeter Array (ALMA) in Chile. They observed the galaxies in the early universe and found that they were already much larger than had been previously thought. This indicates that galaxies can form and become massive much faster than previously understood. This discovery also suggests that these galaxies may have grown faster than expected, which could lead to an improved understanding of the evolution of galaxies.

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source: Phys.org