宇う宙ちゅう物ぶつ理り学がく

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Meanings

1

noun

astrophysics

Academic field studying the physical properties of celestial objects and phenomena.

eaves, roof, house

宙mid-air, air, space

物thing, object, matter

理logic, arrangement, reason

学study, learning, science

天てん文もん学がく
天文学 is astronomy in general, while 宇宙物理学 focuses specifically on the physical processes of the universe.

Compound of 宇宙 (universe) + 物理学 (physics).