a male given name

one, 1 / the first in order, foremost / the beginning / the best / a kind of; one of something / (card games) an ace / unity / the bottom string of a shamisen or other Japanese musical instrument

each person

square metre

Alternative form of 一々

space debris

(astronomy, physics) cosmic ray

cosmology

an alien (life form of non-Earth origin) / Synonym of 宇宙飛行士 (uchū hikōshi, “astronaut”) (member of the crew of a spaceship or other spacecraft, or someone trained for that purpose)

space flight