
thumb|300px|Photoionization is the process that makes once-invisible filaments in deep space glow.
thumb|300px|Photoionization is the process that makes once-invisible filaments in deep space glow.
Photoionization is the physical process in which an ion is formed from the interaction of a photon with an atom or molecule.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).