noun
compact galaxy
Astronomical term for a galaxy with a small angular size and high surface brightness; often used in contrast with diffuse or extended galaxies.
コンパクト銀河は、中心に明るい核を持つことが多い。
Compact galaxies often have a bright nucleus at their center.
この観測では、遠方宇宙に多数のコンパクト銀河が見つかった。
In this observation, many compact galaxies were found in the distant universe.