Tag: thorium


  • Southward Impact Revealed Magma Ocean Clue at Moon’s Largest Crater

    Southward Impact Revealed Magma Ocean Clue at Moon’s Largest Crater

    Revisiting the Moon’s Biggest Crater The Moon’s South Pole-Aitken basin (SPA), the largest known impact feature in our solar system, has long been a subject of fascination for planetary scientists. Recent research digging into the basin’s shape and composition suggests a surprising twist: the basin’s oblong form and the distribution of interior materials point to…

  • New Moon Findings Hint SPA Basin Holds Deepest Lunar Secrets

    New Moon Findings Hint SPA Basin Holds Deepest Lunar Secrets

    Unveiling the Moon’s Largest Crater The South Pole-Aitken (SPA) basin is not just the Moon’s largest impact feature by size; its shape and composition may hold the key to rewriting lunar history. A recent study led by Jeffrey Andrews-Hanna at the University of Arizona argues that the SPA region sits on the downrange rim of…

  • Massive Moon crater could rewrite the Moon’s origin story

    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…