Comments:
One can use water as reaction mass if sunlight is used to vaporize it and you don't mind low delta-V. And you won't be disturbing the rings- much. Plus you can build your own Roman spa for the tourists.<br><br>Of course if there are microbes (or entire aliens) in the water then there might be a problem.... <img class='' src='http://new.astromart.com/astromart/javascripts/sceditor/emoticons/grin.png' alt='grin' title='grin'/> <br><br>Jess Tauber
Funding Member