Tag: SPA
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Moon SPA Basin Reimagined: New Clues on the Largest Crater
New View of the Moon’s Largest Crater New research published in Nature is prompting scientists to rethink how the Moon’s largest known impact basin, the South Pole-Aitken (SPA) basin, formed. Measuring more than 1,200 miles across, the SPA has long been a focal point for understanding the Moon’s early history. The latest analysis argues that…
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Massive Moon crater could rewrite the Moon’s origin story
New clues from the Moon’s largest crater A fresh interpretation of the Moon’s oldest giant impact hinges on the South Pole–Aitken (SPA) basin, the largest known impact structure in the solar system. Led by planetary scientist Jeffrey Andrews-Hanna of the University of Arizona, the study argues that the downrange rim of SPA lies near the…