The South Pole‐Aitken basin: Constraints on impact excavation, melt, and ejecta

RI Citron, DE Smith, ST Stewart… - Geophysical …, 2024 - Wiley Online Library
The formation and evolution of the South Pole‐Aitken (SPA) basin is critical to relating large
impact basin formation and modification to lunar geophysical evolution. Most prior models of …

Using the Melosh model of acoustic fluidization to simulate impact crater collapse on the Earth and Moon

A Rajšić, BC Johnson, GS Collins… - Journal of Geophysical …, 2024 - Wiley Online Library
The formation of complex craters requires some form of transient weakening of target rocks.
Acoustic fluidization is one proposed mechanism applied in many numerical simulations of …

Numeric ring-reconstructions based on massifs favor a non-oblique south pole-Aitken-forming impact event

H Bernhardt, JM Walsh, LM Schröder, JD Clark… - Earth and Planetary …, 2025 - Elsevier
The size and shape of ring structures around the South Pole-Aitken basin (SPA) have been
subject of several studies over the past decades. Most investigations considered long …