Planetary science. Human space exploration is about more than just science.
Huntress
Wesley T
WT
Planetary Society and director of the Geophysical Laboratory, Carnegie Institution of Washington, Washington, DC 20015, USA.
D018480:Astronauts; D003362:Cost-Benefit Analysis; D006801:Humans; D012371:Robotics / Q000191:economics; D013026:Space Flight / Q000191:economics; D018531:Spacecraft; D014481:United States; D018557:United States National Aeronautics and Space Administration