arcs made by grains hopping across planetary surfaces blown by wind. venus is like earth water, titan is like earth air, and mars & pluto are wild (this is 'steady-state' for 100 micron grains at 5x vertical exaggeration and normalized time) pic.twitter.com/3eO2iJzTfs
— Andrew Gunn (@_algunn) May 12, 2020
via Twitter https://twitter.com/_algunn
May 12, 2020 at 10:13PM
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