noun-modifying (irregular), noun which may take the genitive case particle 'no'
interstellar
Used attributively to describe things between stars, such as space, matter, or travel.
Thin gas is spread throughout interstellar space.
星間旅行はまだ実現していない。
Interstellar travel has not yet been realized.
interstellar dust
interstellar gas
interstellar absorption
interstellar matter
interstellar space
Compound of 星 (star) and 間 (between, interval). The reading せいかん follows standard on'yomi.