Rank the following from 1-9 in order of their inspirational value to future generations (with 1 being the most inspirational):
The Hubble Space Telescope
The Space Shuttle program
Unmanned Mars missions
The International Space Station
The Apollo program / Moon landings
Other unmanned planetary probes (Jupiter, Venus, etc.)
Discovery of planets outside the Solar System
Future lunar exploration
Development of the Crew Excursion Vehicle (CEV)