A major new discovery has been made about galaxies in the early universe: massive galaxies have been found to have existed much earlier than previously believed. This new finding defies the current theories of galaxy formation and evolution, potentially requiring a major rethink of our understanding of the universe’s earliest years.

This new discovery was made possible by a team of international astronomers, who utilized the Atacama Large Millimeter/submillimeter Array (ALMA) to observe galaxies in the early universe that were forming stars at a rate of more than one hundred times the rate of our own Milky Way. This is an incredible rate of star formation and suggests that these galaxies are much more massive than previously believed. The team’s findings suggest that such massive galaxies were present in the early universe, just one billion years after the Big Bang.

This new discovery has the potential to change our understanding of how galaxies form and evolve, and will require further research to fully understand the implications of this finding.

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source: Phys.org