We Finally Know Why Galaxies Stop Forming Stars
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We Finally Know Why Galaxies Stop Forming Stars
Scientists have been scratching their heads for ages, trying to figure out why some galaxies just stop churning out stars. Well, turns out, it's all about gas—the lifeblood of star formation. Over time, galaxies can lose their gas reserves, either by using it up or having it stripped away by cosmic collisions or supermassive black holes. Once ...
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