A routine quality check on a Moon map turned up a bright spot ringed by a dark halo, and it marked a 222-metre crater that did not exist before spring 2024, the largest newly formed crater yet found anywhere in the solar system – spacedaily.com

Robert Wagner was doing the kind of work that almost never produces anything. On 24 October 2025 he was running a quality check on a global map of the Moon. The job means stacking hundreds of wide-an…