active galactic nucleus

Noun

 * 1)  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.

Derived terms

 * abbreviation

Translations

 * Chinese:
 * Mandarin: 活動星系核
 * Finnish: aktiivinen galaksiydin
 * German: aktiver galaktischer Kern
 * Hungarian: aktív galaxismag
 * Turkish: etkin galaktik çekirdek