shepherd moon
A small moon that orbits near the outer edges of a planetary ring or within gaps in the ring. The edge of the ring remains sharply defined owing to the gravity of shepherd moons.
A plant, fungus, or other organism that grows upon rock.
Third-person singular simple present indicative form of reproach
Any of various flying insects of the suborder Symphyta whose ovipositor is long and often serrated and is used to cut into plants to lay eggs.
環の外縁近くを周回し、その重力で環の端を鋭く保つ小さな衛星が、環に狭い隙間を作った。
アカウントを持っていませんか？ 新規登録
アカウントを持っていますか？ ログイン
DiQt（ディクト）
無料
★★★★★★★★★★
