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Vinicius M. Placco et al 2022 ApJS 262 8
Spectroscopic follow-up of low-metallicity star candidates yields a wealth of metal-poor stars; roughly 92% of the stars in the sample have iron abundances more than an order of magnitude lower than the Sun.

T. Becker et al 2022 Planet. Sci. J. 3 195
Laboratory experiments involving simulated Martian soil suggest that the fine dust found in Mars’s atmosphere can be produced by individual sand grains bouncing across the planet’s surface.
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