This is based on a NASA (public domain) Gemini mission patch. I tried to generalize it a bit and try to make it some sort of symbol that could be used in general as a space flight symbol.
太空飛行符號
astronaut、flight、space、spacecraft、Space Stuff、stars、symbol、travel
宇航員、飛行、空間、宇宙飛船、太空東西、明星、符號、旅行
資料來源：openclipart ( https://openclipart.org/ )