宇う宙ちゅうの地ち平へい線せん
Meanings
Expression
Noun
Astronomy
1. particle horizon of the observable universe
Kanji used
space
midair
ground
flat
line
Pitch accent
う
ちゅうのちへいせん
う
ちゅうのちへいせん
Composed of
universe; cosmos; space
horizon (related to land)