motion of the galaxy through a tenuous intergalactic medium読み方
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- motion of the galaxy through a tenuous intergalactic medium日本語の意味：希薄｛きはく｝な銀河間物質｛ぎんがかん ぶっしつ｝を通る銀河｛ぎんが｝の運動｛うんどう｝
