
Fermi Bubble Graphic · NASA · NASA — public domain
Also known as Fermi Bubble, Fermi–eROSITA bubbles, eROSITA bubbles
two large elliptical lobe structures of energetic plasma astride the Milky Way’s core, which emit gamma- and X-rays
via Wikidata · CC0
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).