Re: Exploring Mars

Robert J. Bradbury (
Wed, 8 Dec 1999 13:30:43 -0800 (PST)

On Wed, 8 Dec 1999, Brian D Williams wrote:

> In the Mars direct plan, after a voyage of 6 months, the team would
> spent a year and a half on the surface.
> Anybody think that is a bad idea?

Exactly how much would it cost and how long would the development period be?

What you want to get at when looking at something like this is the opportunity cost of not using the engineers or funding on something that might provide a bigger net ROI.