a surname / a place name, such as that of Hamada City in Shimane Prefecture

a surname

a phenomenon

yet, still / Indicating it hasn't been a long time since something happened. / Indicating a choice is not good enough but still slightly better than others.

perfect, completed

physics, the physical aspects of a phenomenon or a system

nuclear physics

Clipping of 原子核物理学 (genshikaku butsurigaku, “nuclear physics”).

Synonym of 天体物理学 (tentai butsurigaku, “astrophysics”)

astrophysics