Recent content by SibylTheHeretic

Does stay the course mean that nasa will continued its sluggish crawl through unimaginative, obsolete and overbudget projects. Maybe he could fire all of the career administrators and hire some people who can accomplish something. The RL10 engines used on the SLS where designed in 1959. 1959!

Balloons are cheap. Expendable is expensive.

It costs so much money to get stuff into orbit that it just seems insane to let it re-enter the atmosphere and burn up. To start with it should be engineered in a way that it can be reused. Maybe there should be some kind of space recycling center created to coral the junk until it is needed...

Maybe the vehicle that gets you into space and the vehicle that you use while in space should not be the same vehicle. Would it be easier to build something that can leave and return to earth and something different that will always remain in space? One design to deal with gravity and...

I have read that dust is a major contamination problem but I yet to see any proposal to address this problem. Proposed lunar habitats and landers do not incorporate any type of vestibule for decontamination before entering crew areas. Any references to articles about this?