I would be much more excited if NASA resumed the research on NERVA (http://en.wikipedia.org/wiki/NERVA http://en.wikipedia.org/wiki/NERVA). 50 years later a nuc

I would be much more excited if NASA resumed the research on NERVA (http://en.wikipedia.org/wiki/NERVA http://en.wikipedia.org/wiki/NERVA). 50 years later a nuclear propulsion drive still seems like the most promising and cost-efficient way to explore our solar system.