Meteoroid
01
流星物質, 小さな天体
a small celestial body that becomes visible as a meteor upon entrance into the atmosphere of the earth
例
A meteoroid is a small rocky or metallic object in outer space that is significantly smaller than an asteroid and larger than a micrometeoroid.
流星物質は、宇宙空間にある小石や金属の小さな物体で、小惑星よりもかなり小さく、微小流星体よりも大きいです。
語彙ツリー
micrometeoroid
meteoroid
