There is a wonderful book about getting materials from asteroids (and otherwise using them). It is titled ³Mining The Sky: Untold Riches From The Asteroids, Comets, And Planets² by John Lewis. Wonderfully creative ideas.
>From some of the info in the book, the calculation that is suggested could probably be made. Best, Mike MacCracken On 4/24/12 2:19 PM, "Michael Hayes" <[email protected]> wrote: > Hi Folks, > > If we could get this group to deposit their left over material between the sun > and earth, we could have a space based sun shield. Once the need for such a > shield is over (if ever) the material could be scooped up and used as reaction > mass for some future craft. > > http://en.wikipedia.org/wiki/Planetary_Resources > > "As of April 20, 2012, only a list of major investors and advisors[3] > <http://en.wikipedia.org/wiki/Planetary_Resources#cite_note-The_Guardian-2> > was known; a number of the project's backers are notable for their > entrepreneurship and interest in space, exploration, and research. Some also > have previous involvement in space research. It was speculated that Planetary > Resources is "looking for ways to extract raw materials from non-Earth > sources," as the means by which it would (as stated in its press release) "add > trillions of dollars to the global GDP."[3] > <http://en.wikipedia.org/wiki/Planetary_Resources#cite_note-The_Guardian-2> > There was speculation they are looking into mining asteroids > <http://en.wikipedia.org/wiki/Asteroid_mining> ,[4] > <http://en.wikipedia.org/wiki/Planetary_Resources#cite_note-The_Verge-3> [1] > <http://en.wikipedia.org/wiki/Planetary_Resources#cite_note-technology_review- > 0> [3] > <http://en.wikipedia.org/wiki/Planetary_Resources#cite_note-The_Guardian-2> > [5] <http://en.wikipedia.org/wiki/Planetary_Resources#cite_note-Forbes-4> > with one source reporting anonymous verification of that claim.[6] > <http://en.wikipedia.org/wiki/Planetary_Resources#cite_note-HuffPo-5> " > > http://news.cnet.com/8301-11386_3-57420110-76/planetary-resources-seeks-to-min > e-asteroids-riches/ > > "A space startup says near Earth asteroids can be mined for water, platinum, > and other natural resources to enable space exploration and bring those > valuable materials to Earth." > > The princelpal backers of this company would probably listen to Drs. Calderia, > McCraken, Salter, Latham etc. if such a marrage of concepts is supported by > this group. > > Best, > > Michael > -- You received this message because you are subscribed to the Google Groups "geoengineering" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/geoengineering?hl=en.
