this was quite intresting i thought,for quite a lot of reasons?one being,why does a race send a flying saucer to another planet?coals to newcastle,sort of thing?
http://www.techtimes.com/articles/5468/20140412/nasa-readies-low-density-supersonic-decelerator-flying-saucer-for-future-mars-asteroid-missions.htm
just joshing..
cheers
Don