astronomical (relating to astronomy) / astronomical (vast)

criminal

fantastic, illusory, imaginary

threatening; menacing

touching

automatic

idyllic

天体物理学: astrophysics

(mathematics) geometrical

"Historical kana usage", a prescriptive method of using kana to write Japanese. Devised in the Edo period by Keichū (契沖) and taught in schools until 1946, it aims to be etymologically faithful and reflects earlier stages of the language (Heian period and earlier).