行星际的 meaning in English

extraterrestrial
interplanetary

Caption : : interplanetary unmanned spacecrafts are distant and their signals are very weak . using radio antennae , the deep space network was set up for the interplanetary telecommunications
在行星际空间航行的无人探测船，距离遥远，讯号微弱。由多台巨型碟型天线组成的深空网络因此建立，以作行星际的电信往来。
Weapons testing with high - speed projectiles helped prove that material exchange between the planets is not so limited as had once been thought : in fact , some 500 kilograms of rock from mars are estimated to land on the earth each year
武器实验中发射的高速射弹也有助于证明行星际的物质交换并不像以前认为的那样有限：事实上，每年约有500公斤火星岩石溅落到地球上。
Traveling by means of this method is more time - consuming yet saves much fuel . highways connecting different planets may even coalesce together , allowing space probes to jump from one highway to another . mathematically speaking , these highways form a giant network of interplanetary superhighways for probes to speed along
当不同行星之间的管道在重力之舞下连接，物体更可由一条管道跳往另一管道，因此，在精密的数学计算下，行星间的管道可以变成一条行星际的高速公路，让探测船在行星中穿梭。