Dusty Disks around Stars Reveal Diversity of Planetary Systems in Their Teenage Years

Cristiana Gigina

Astronomers have, for the first time, captured a gallery of detailed snapshots of planetary systems during their "teenage years," an era long shrouded in mystery. The ALMA survey to Resolve exoKuiper belt Substructures (ARKS), using the Atacama Large Millimeter/submillimeter Array (ALMA), has produced the sharpest images ever of 24 debris disks, the dusty belts left after planets finish forming. These disks are the cosmic equivalent of teenage planetary systems, somewhat more mature than

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