1.
penumbral lunar eclipse
A lunar eclipse in which the Moon passes only through Earth's outer shadow (penumbra), so it dims slightly rather than darkening sharply.
半影月食は分かりにくい。
A penumbral lunar eclipse is hard to notice.
今日の半影月食では月がわずかに暗くなった。
In today's penumbral lunar eclipse the Moon dimmed only slightly.
半影月食は部分月食よりも変化が小さいので見逃しやすい。
A penumbral lunar eclipse changes less than a partial one, so it is easy to miss.
Composed of 半影 (penumbra; partial shadow) + 月食 (lunar eclipse).
COMMON COLLOCATIONS:
- 半影月食が起こる: a penumbral lunar eclipse occurs
- 半影月食を観測する: to observe a penumbral lunar eclipse
SIMILAR WORDS:
- 部分月食: partial eclipse — part of the Moon enters the dark umbra
- 皆既月食: total eclipse — the whole Moon is in shadow