Definition of 宇宙塵 (うちゅうじん)
うちゅうじん
                        宇宙塵
うちゅうじん
uchuujin
noun
•
        
space dust, cosmic dust, interstellar dust
Related Kanji
| 宇 | eaves, roof, house, heaven | 
| 宙 | mid-air, air, space, sky, memorization, interval of time | 
| 塵 | dust, trash, garbage |