interplanetary space

基本解释

Even our fastest rockets are agonizingly slow when faced with the gulf of interplanetary space.
我们最先进的火箭在面对太阳系内的茫茫长途时都不免为其速度之慢而苦恼。
We could establish an interplanetary space station, without moving around the International Space Station, as reported by my colleague Ian O’Neill this week.
我们能建立一个行星际的空间站,没有在国际空间站,像我的同事伊恩·奥尼尔。
Alien life, he will suggest, is almost certain to exist in many other parts of the universe: not just in planets, but perhaps in the centre of stars or even floating in interplanetary space.
他认为，外星生物，几乎肯定存在于宇宙的某个角落，不光是在行星上，还有可能存在于恒星的中心，甚至漂浮在星际空间。

Particles (known as meteoroids) that come from interplanetary space, on the other hand, are natural.
ECONOMIST: Orbital debris
Then, there is the LIFE biomodule, which we piggybacked in the Grunt mission simply to get it into interplanetary space for as long as possible, 34 months in the case of this mission.
MSN: Salvaging Science from Stricken Mars Moon Probe: A Scientist's View - Technology & science - Space - Space.com NBC News