Planetary exploration: a job for the droids?
Reichhardt
Tony
T
D018480:Astronauts / Q000706:statistics & numerical data / Q000639:trends; D018535:Mars; D016081:Moon; D012106:Research / Q000191:economics / Q000639:trends; D012371:Robotics / Q000191:economics / Q000706:statistics & numerical data* / Q000639:trends*; D013026:Space Flight / Q000191:economics / Q000295:instrumentation* / Q000639:trends*; D014481:United States; D018557:United States National Aeronautics and Space Administration / Q000191:economics / Q000639:trends*