A Harvard University physics professor just concluded a two-week project dredging the depths of the Pacific Ocean in search of the remains of the first confirmed interstellar object to fall to Earth — an object he hypothesized could be a form of extraterrestrial technology.
Professor Avi Loeb — famous for his 2017 stance that the bizarre interstellar object ʻOumuamua could be an extraterrestrial object passing Earth — announced that his research team wrapped up its $1.5 million expedition and that it had collected 35 milligrams of promising material.
Those findings consisted of 50 spherules — small globes of material mere millimeters in diameter that are characteristically shed from meteorites as they enter and burn up in Earth’s atmosphere.
The team collected the spherules by dragging a large magnetic sled across the ocean floor off the coast of Papua New Guinea.
“As molten droplets from a fireball, they carry information about the elemental and isotopic composition of the first recognized interstellar meteor,” Loeb wrote on Tuesday in his ongoing Medium blog about the project.
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