Joel Johnston
Papers
1
Total Citations
57
H-Index
1
About
Joel Johnston is a leading figure in planetary science, whose research focuses on the mechanical behavior of meteoritic materials and the fragmentation dynamics of asteroids. His work bridges laboratory experiments and astronomical observations, providing critical insights into how small bodies in the solar system break apart under impact. Johnston’s most influential contribution, the 2016 paper "Scale-dependent measurements of meteorite strength: Implications for asteroid fragmentation," has garnered 57 citations and remains a cornerstone for understanding how material strength varies with size—a key factor in modeling asteroid collisions and predicting impact hazards. By demonstrating that meteorite strength decreases at larger scales, he helped refine models of asteroid disruption, directly informing planetary defense strategies. Beyond this seminal work, Johnston’s broader portfolio explores the link between impact processes and the formation of meteorite parent bodies, earning him recognition as a careful experimentalist and a clear communicator of complex physical principles. His research continues to shape how scientists interpret the rubble-pile structure of near-Earth asteroids, making him a vital voice in the ongoing effort to protect our planet from cosmic threats.
Research Focus
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Top Papers
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