map of South Pole-Aitken and surrounding massifs (IMAGE)
Caption
A topographic model of the Moon using a color-scale from purple (low) to red (high) based on data collected by NASA's Lunar Reconnaissance Orbiter and Kaguya by the Japanese Space Agency. This is a global view to show the entirety of the South Pole-Aitken basin (SPA), the largest and oldest impact crater on the Moon. For geographic context, the letters label other big craters in its vicinity: K - Korolev, A - Apollo, I - Mare Ingenii, O - Mare Orientale, Po - Poincaré, P - Planck, S - Schrödinger, M-R - Mendel-Rydberg. The triangles mark massifs that can be found all around SPA. According to their morphology and location, the massifs are categorized as unlikely or likely remnants of SPA ring structures (black and white, respectively) and relatively intact segments of an outer (purples) or inner (pink) ring. The white outline indicates the perspective seen in [THE PERSPECTIVE FIGURE].
Credit
Hannes Bernhardt, University of Maryland.
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License
CC BY-NC-SA