“ Less Buck Rogers, More Bang. If getting into orbit weren't so expensive many of the issues that arise over space developement and exploration,... (read full comment) ” 

Posted on January 4, 2010 at 10:28 PM EST

“ multi-task moon mars more I should think that the intermediate step which makes the most sense is one to the geostationary orbits from which we... (read full comment) ” 

Posted on August 14, 2009 at 5:36 PM EDT