IM1 Meteor Spherules: BeLaU Signatures and the Coal-Ash Debate on an Interstellar Origin
To the point
Scientists led by Avi Loeb recovered metallic spheres from a Papua New Guinea meteor and are debating whether they are of interstellar origin or terrestrial coal-ash, a theory proposed by Patricio Gallardo that Loeb disputes, with plans for another expedition to learn more.