Entering Space: Creating a Spacefaring Civilization"Robert Zubrin is already one of the few individuals to have had a marked impact on U.S. space policy, with his compelling advocacy of a streamlined and affordable human mission to Mars. Having galvanized the Mars mission, he now turns his attention to the larger picture of humanity's place in space, writing with a very impressive clarity, reminiscent of Asimov or McPhee. This book works among other ways as a brilliant bit of geography, or rather cosmography, in that after reading it you have a clearer idea than before of where you stand in the universe." Kim Stanley Robinson, author of "Red Mars", "Green Mars", and "Blue Mars" "Bob Zubrin is the Tom Paine of space -and about tie we had one, too. An engineer who knows how to do the feats of envisions, he unfurls an agenda for the expansion of world civilization, not just another plan for going further out. This lends his book the quality of a thoughtful manifesto, well worked out in scenarios for development that both make a profit and enlarge the human prospect." Gregory Benford, author of "Deep Time" "--Entering space- as a plan for the human future is unique in being both visionary and technically sound. It is a call to adventure and a plan for our future." Chris McKay, scientist, NASA Center for Mars Exploration. |
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Page 166
... Jupiter is its extremely powerful radiation belts , within which many of its moons orbit . Table 8.5 shows Jupiter's satellite system and gives the radiation dose that would be experienced by an unshielded human on the surface of each ...
... Jupiter is its extremely powerful radiation belts , within which many of its moons orbit . Table 8.5 shows Jupiter's satellite system and gives the radiation dose that would be experienced by an unshielded human on the surface of each ...
Page 170
... Jupiter sys- tem at the phenomenal clip of 24 km / s ! That's an initial speed for your spacecraft of nearly 5 AU per year , with nothing but chemical propulsion . Advanced propulsion systems on board , such as nuclear electric ...
... Jupiter sys- tem at the phenomenal clip of 24 km / s ! That's an initial speed for your spacecraft of nearly 5 AU per year , with nothing but chemical propulsion . Advanced propulsion systems on board , such as nuclear electric ...
Page 174
... Jupiter ( 1979 ) , Saturn ( 1981 ) , Uranus ( 1986 ) , and Neptune ( 1989 ) in succession . The political maneuvers that made Voyager 2's mission possible were almost as tricky as the celestial mechanics . To save money , the Carter ...
... Jupiter ( 1979 ) , Saturn ( 1981 ) , Uranus ( 1986 ) , and Neptune ( 1989 ) in succession . The political maneuvers that made Voyager 2's mission possible were almost as tricky as the celestial mechanics . To save money , the Carter ...
Contents
CREATING A SPACEFARING CIVILIZATION | 77 |
ENTERING GALACTIC CIVILIZATION | 185 |
Founding Declaration of the Mars Society | 284 |
Copyright | |
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accelerate aerospace antimatter asteroid atmosphere bacteria base biosphere bomb capable carbon century chemical colonization created crew cyclotron radiation DC-X distance dry mass dwarf Earth energy exhaust velocity exist exploration extraterrestrial fuel fusion galaxy global gravity helium-3 human hydrogen iceteroid impact interplanetary interstellar Jupiter kilometers km/s landing launch costs launch systems launch vehicle light-years lunar magnetic magsail Main Belt Mars Mars Direct Mars Society Martian meters million mission Moon nanorobots NASA nuclear nuclear fission nuclear thermal rocket objects ocean Oort Cloud orbit outer solar system oxygen payload percent the speed planet planetary plasma possible produce propellant radiation radio reaction reactor reusable robotic rocket engine rocketplane satellite Saturn ship Shuttle solar sails Space Station spacecraft spacefaring species specific impulse speed of light SSTO stars starship surface telescopes temperature terraforming terrestrial tion Titan tonnes Type III civilization