active galactic nucleus

noun 0.788

galaxy

noun 0.608

starburst galaxy

noun 0.583

galaxias

noun 0.579

irregular galaxy

noun 0.577

agal

noun 0.577

active front

noun 0.555

active

noun 0.538

astro

noun 0.530

quasar

noun 0.521

activated complex

noun 0.521

blazar

noun 0.515

dwarf galaxy

noun 0.514

airglow

noun 0.513

active volcano

noun 0.501

active learning

noun 0.500

supermassive black hole

noun 0.500