Robuta

https://vpl.uw.edu/publication/atmospheric-co2-levels-from-2-7-billion-years-ago-inferred-from-micrometeorite-oxidation-science-advances-2020/ Atmospheric CO2 Levels From 2.7 Billion Years Ago Inferred From Micrometeorite Oxidation (Science... https://alexanderpruss.blogspot.com/2011/08/micrometeorite-candidates.html?showComment=1413977108867 Alexander Pruss's Blog: Micrometeorite candidates The kids and I took apart a defective hard drive yesterday, and I used one of the magnets (in a plastic bag, which I then inverted) to f... s blogalexanderprusscandidates