In the long story of worlds shaped by collision, the Moon quietly received a new wound in the spring of 2024 — one that went unnoticed for eighteen months until a careful human eye caught a glimmer of brightness in routine data. The McGetchin crater, stretching 222 meters wide and 43 meters deep on the Moon's eastern edge, is now recognized as the largest newly formed impact crater discovered anywhere in the Solar System. Its significance lies not only in its size, but in what it reveals: that a single cosmic strike can alter a world's surface far beyond the point of contact, reshaping soil, t