ALMA survey maps turbulent youth of distant planetary systems
Astronomers have assembled the most detailed view so far of planetary systems in a long elusive stage between their birth and maturity, using the Atacama Large Millimeter/submillimeter Array (ALMA) in Chile. The ALMA survey to Resolve exoKuiper belt Substructures (ARKS) has produced the sharpest images yet of 24 debris discs, the dusty belts that remain once the main phase of planet formation is