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Image Credit: ESO/M. Kornmesser Galaxies begin to ‘die’ when they stop forming stars, which is something astronomers had always known but had never clearly glimpsed the start of. Until now.  Using the Atacama Large Millimeter/submillimeter Array (ALMA), whose global collaboration is the largest ground-based astronomical project in existence, astronomers observed a faraway galaxy as it ejected nearly half of its star-forming gas and fuel a ‘starburst’ that kicks off galaxy death. Until now, most astronomers have hypothesized this happens as a result of winds that erupt when stars form and the black holes that sit at the center of the galaxy. But the new observations suggest a different catalyst for the galaxy’s death.

Milky wayMagallanesy antaica chilenaAnnagrazia puglisiEmanuele daddiAtacama largeDiscover cosmicSuperhighway that could accelerate longDistance spaceபால் வழிகண்டுபிடி அண்டதூரம் இடம்