Re:NASA not ready for dangers of deep space, auditors say
by anigbrowl on Monday November 23, 2015 @02:27PM
(#10616661)
What goods would you expect to retrieve from Mars? Or do you mean that it would be a great place to locate industry that would create unacceptably high pollution on earth?
Re:NASA not ready for dangers of deep space, auditors say
by Retric on Monday November 23, 2015 @02:49PM
(#10616821)
In theory, you send one von Neumann machine and in a few years it has a planets worth of manufacturing to send you anything you want. Sure, shipping would be energy intensive, and you only get ~59% as much solar energy to work with. However, the equivalent of a 2 million meter x 2 million meter solar farm could produce a lot of energy.
Assuming space elevators, you could replace the vast majority of earth manufacturing. Though, with a long lag time before arrival.
If anything Mars is a great opportunity for automation. It has no environment to destroy and with the right design it could end up exporting a constant stream of goods to humanity with zero environmental cost. Nuclear waste for example is a non issue. We could even try things like a space elevator on mars without risk of harming people on earth.
PS: For comparison the lunar lander weighed ~36,200 pounds and needed a lot less thrust to get into lunar orbit.