Here is the paper linked in the piece https://lweb.cfa.harvard.edu/~loeb/Interstellar_Expedition.pdf https://lweb.cfa.harvard.edu/~loeb/Interstellar_Expedition

Here is the paper linked in the piece https://lweb.cfa.harvard.edu/~loeb/Interstellar_Expedition.pdf https://lweb.cfa.harvard.edu/~loeb/Interstellar_Expedition.p... Note: That is not the Avi Loeb paper, but it is reported to have been submitted about his work. A diary of that research trip is here https://avi-loeb.medium.com/the-im1-spherules-from-the-pacific-ocean-have-extrasolar-composition-f025cb03dec6 https://avi-loeb.medium.com/the-im1-spherules-from-the-pacif... Related Wikipedia https://en.wikipedia.org/wiki/CNEOS_2014-01-08 https://en.wikipedia.org/wiki/CNEOS_2014-01-08