SEDS Online Poll SEDS Poll > Space Inspiration > Question 4 of 9 (14 of 29 total)

Rank the following from 1-7 in order of their scientific value (with 1 being the most valuable):
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