noun🔗Share天体物理学The branch of astronomy or physics that deals with the physical properties of celestial bodies and with the interaction between matter and radiation in celestial bodies and in the space between them."Maria is studying astrophysics in college to learn about the stars' composition and how galaxies form. "マリアは、星の組成や銀河の形成について学ぶために、大学で天体物理学を学んでいます。astronomyphysicssciencespaceChat with AIVocabulary GamePractice Reading