Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) have detected a powerful ‘wind’ in SPT-S J231921-5557.9 (SPT2319-55 for short), a dusty star-forming galaxy located 12 billion light-years away. By tracing the outflow of hydroxyl molecules, they show how some galaxies in the early Universe quenched an ongoing wildfire of starbirth. An artist’s impression of an outflow of molecular gas from an active star-forming galaxy....
