天体物理

astrophysics

day / sky / heaven

celestial body / nude body

body / form / style / system / substance / to experience / aspect (linguistics)

thing / object / matter / abbr. for physics 物理

physics / physical

texture / grain (of wood) / inner essence / intrinsic order / reason / logic / truth / science / natural science (esp. physics) / to manage / to pay attention to / to run (affairs) / to handle / to put in order / to tidy up

astrophysicist

astrophysics