1.   Davis was the manager of the planetary and space physics missions office at the laboratory, which directs most of the planetary exploration projects for NASA.

2.   Esker K. Davis, a manager of several missions of planetary exploration, died last Friday in La Canada, Calif.

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

4.   In addition, Madhani has a device called the Talon, a robotic wrist and hand for use in planetary exploration.

5.   No other effort so large and systematic has marked the recent history of planetary exploration.

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

7.   The craft, which set off from a launching pad in Florida last January, are meant to set planetary exploration on a bold new course.

8.   The impending flight is one of the most ambitious ever attempted in planetary exploration.

9.   The microelectronics revolution has met the space age, and planetary exploration will never be the same.

10.   The New Frontiers Gallery features hands-on exhibits, including computer-generated simulations of planetary explorations, tours of the solar system and drives across the surface of Mars.