Using the James Webb Space Telescope and the Atacama Large Millimeter/sub-millimeter Array , astronomers have investigated 70 dusty, star-forming galaxies at the very edge of the universe. These galaxies, seen as they were less than 1 billion years after the Big Bang, could change everything we know about cosmic evolution.
It seems these galaxies were already rich in "metals," the term astronomers use to describe elements heavier than hydrogen and helium, despite existing before current models predict the current generation of stars could have forged and distributed those heavy elements.
