天てん体たい核かくMeanings1nounnuclear astrophysicsTechnical field of astronomy and physics studying nuclear processes in celestial objects.天てん体たい核かく物ぶつ理り学がくは星ほしの内ない部ぶで起おこる核かく反はん応のうを研けん究きゅうする。Nuclear astrophysics studies the nuclear reactions that occur inside stars.
