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Last updated: 2026-10-15T01:32:18.488Z

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ALMA Detects Planet-Forming Structures in Compact Protoplanetary Disks

European Southern Observatory (ESO) · 2026-10-14T00:00:00.000Z

The Atacama Large Millimeter/submillimeter Array (ALMA) has observed previously unseen planet-forming structures within the smallest protoplanetary disks. This discovery offers vital insights into the initial stages of planet formation, suggesting that planet-building processes can occur even in very compact disk environments, expanding our understanding of planetary system development.