Then, about a year ago, something had impacted the scoop of the robot probe.

You know, like a robot probe flying free after its last use.

How the robot probe missed these things, we do not know.

He was already thinking in terms of robot probes.

There had been dozens of robot probes sent here in the decades before their flight.

And, he noted, a robot probe just took off for Mars.

Then the whole ship shook gently as the robot probe cast off.

Then we caught one of your robot probes skulking about.

This craft is a robot probe on a routine survey.

A robot probe went out to catch the two floating forms and bring them in.