Like
identifying interlopers that merely pass through the solar system, it is interesting to search for potential interstellar meteorites on Earth. And try to recover remains, and determine to whatever extent possible if that's what they really are. But it seems an overzealous leap to repeatedly promote the idea that these objects could be artificial in origin. There's arguably a thin line (i.e., it can get out of hand) between sensationalistic opportunism and merely trying to rattle a taboo a tad with respect to a community never considering a statistically unlikely prospect at all.
But at least he seems to only make one brief mention of possible ET technology in his medium-dot-com piece; and the Galileo Project account of the expedition contains none at all (if bottom references to one of his books and the purpose of GP itself is excluded). No doubt the MSM news articles at large play it up to the hilt, though, with Loeb probably accommodating them with plenty of unbridled speculations in that specific context.
The IM1 Spherules from the Pacific Ocean Have Extrasolar Composition
https://avi-loeb.medium.com/the-im1...cean-have-extrasolar-composition-f025cb03dec6
EXCERPT:
The interstellar origin of IM1 was established at the 99.999% confidence based on velocity measurements by US government satellites, as confirmed in a formal letter from the US Space Command to NASA. The fireball light curve showed three flares, separated by a tenth of a second from each other. Prior to entering the solar system, IM1 was moving at a speed of 60 kilometers per second relative to the Local Standard of Rest of the Milky-Way galaxy, faster than 95% of all stars in the vicinity of the Sun. Based on the fact that it maintained its integrity at an impact speed on Earth of 45 kilometers per second down to an elevation of 17 kilometers above the Pacific Ocean, its material strength must have been tougher than all 272 space rocks documented by NASA in the CNEOS meteor catalog, including the 5% minority of them which are iron meteorites.
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Spherule analysis finds evidence of extrasolar composition
https://projects.iq.harvard.edu/galileo/news/spherule-analysis-finds-evidence-extrasolar-composition
EXCERPTS:
These spherules also exhibit iron isotope ratios unlike those found on Earth, the Moon and Mars, altogether implying an interstellar origin. The loss of volatile elements is consistent with IM1’s airburst in the Earth’s atmosphere. [...] “The “BeLaU” composition is tantalizingly different by factors of hundreds from solar system materials, with beryllium production through spallation of heavier nuclei by cosmic-rays flagging interstellar travel,” said Avi Loeb.
[...] Avi Loeb is the leading author on the expedition team's paper (linked here), submitted for publication in a peer-reviewed scientific journal. The spherules will continue to be analyzed by four laboratories around the world, at Harvard University, UC Berkeley, the Bruker Corporation, and the University of Technology in Papua New Guinea (Unitech, PNG), using the most advanced instruments of their kind.
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