Table 2

Comparison of prices of large government projects circa 1990 with their projected useful life-span.

Proposed projectProjected cost ($ billion)Target completion dateEstimated life-span (years)
Space Station Freedom30.0199930
Earth Observing System17.0200015
Superconducting Super Collider11.0199930
Human Genome Project3.02005Perpetual
Hubble Space Telescope1.5199015 to 20