In memory of

Thomas J. Ahrens
25 April 1936 — 24 November 2010
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Thomas Julian Ahrens was an American geophysicist and professor at the Caltech. His research focused on the study of terrestrial planets and the impact processes on their surfaces. Through his contributions to research on topics including dynamic loading, structural changes to molten silicates, and shock wave temperature measurement methods, his work contributed to understanding of the origin and evolution of Mars, the Moon, Jupiter, Venus, and Earth.
— Source: Wikipedia (CC-BY-SA).
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