English translation for "河外源"

extragalactic source

Similar Words：

"河外物质" English translation, "河外新星" English translation, "河外星系" English translation, "河外星云" English translation, "河外宇宙线" English translation, "河弯" English translation, "河弯变形" English translation, "河弯长度" English translation, "河弯顶点" English translation, "河弯钩形物" English translation