interstellar probe

基本解释

Although it clearly depends on what planets may be discovered in the coming years, my money is on the alpha Centauri system as the destination for humanity's first interstellar probe.
虽然它显然依赖于近年来会发现什么行星，但我赌人类的首个星际探索目标会是 alpha 半人马星系。

NASA, where a committee is considering using one in an interstellar probe.
ECONOMIST: Rockets are not the only way to travel through outer space
It would be an understatement to say there's been a long build-up to the moment when Voyager 1 ventures into interstellar space: scientists thought the probe was on the edge back in 2010, and we've been waiting for the official milestone ever since.
ENGADGET: AGU study says Voyager 1 has reached interstellar space, but NASA remains skeptical