interstellar comet

(astronomy, planetology) A comet (or exocomet) located in interstellar space, and not gravitationally bound to a star.

Japanese Meaning

恒星間空間に存在し、恒星による重力束縛を受けない彗星

Astronomers analyzed the trajectory of the interstellar comet to determine whether it had originated from another star system.

天文学者たちは、その星間彗星の軌道を分析して、別の恒星系から来たものかどうかを調べた。

Sense（1）

(astronomy, planetology) A comet (or exocomet) located in interstellar space, and not gravitationally bound to a star.

interstellar comets

（ plural ）