active galactic nucleus
nounDefinitions
A compact region at the center of a galaxy that has a much higher than normal luminosity…
A compact region at the center of a galaxy that has a much higher than normal luminosity over at least some portion of the (measurable) electromagnetic spectrum.
The neighborhood
Vish — recursive loop
No curated loop yet for active galactic nucleus. Loops are being traced one word at a time while the ingestion pipeline matures.
sense glosses and etymology drawn from English Wiktionary · source · CC-BY-SA