惑わく星せい間かん物ぶっ質しつ

noun

interplanetary matter

Technical term in astronomy for matter existing in the space between planets within a solar system, such as dust, gas, and small particles.

• 惑わく星せい間かん物ぶっ質しつは、太たい陽よう系けいの惑わく星せい間かん空くう間かんに存そん在ざいする塵ちりやガスからなる。

  Interplanetary matter consists of dust and gas existing in the interplanetary space of the solar system.