Space science, including planetary exploration, is all very well, but manned missions pay the bills.

Still, no women have led a planetary exploration until now, making it a milestone for them.

He was back being an engineer worrying about an exploring machine, not the politics of planetary exploration.

The use of low cost satellite technology in planetary exploration is a further goal of the mission.

It represents a tradition from the earliest days of planetary exploration.

Tell me more about the extent to which planetary exploration had gone.

In planetary exploration, we have a unique opportunity to pursue a number of the major questions man has asked about his relation to the universe.

Except for planetary exploration your simulacra have no genuine market value.

Now he is to be the next director of the laboratory, which leads the world in planetary exploration.

Stored in the outer shells were various vehicles for planetary exploration.