> You can live directly on the planet with a complete planet to provide gravity, raw resources, water, and energy. You live in habitats on the ground and ...
> As well as resources to build more, a space colony would need imports or an asteroid to grow.<br><br>-and probably as much to put down a colony on Mars ...
On the subject of activism I have looked up chapters of Space society locally and there is none. There is a local astronomy club which I may join, and in ...
What makes space stations expensive to maintain except for the obvious flights to replenish food and supplies? I heard that it costs millions a year to...
HI Brooks:<br> I have no inherent problem with private ventures into space as long as they are open to competition. <br>IE I would like to see both Americassn...
Hi:<br> I{ll be watching the congress and the new president to see if ANY leadership is shown regarding a manned Mars program.<br> In my past responses , I...
Hi:<br> are many of you aware that Mir routinely dumps excess hydrogen overboard ?<br> That same hydrogen can be used in solar assisted propulsions to ...
"Inherently, they could be used in a centrefuge fashion anchored to either or both moons."<br><br>I don't understand this statement. As for the rest I agree,...
Hi :<br> The shuttle ET s are designed to hold cryogenic liquids under pressure. The weight of liquid hydrogen is of course greatest at the bottom of the ...
Would you be attaching tanks by tether to the moons of Mars and then spinning them against the moons weight to cause gravity?<br>Tanks would seem to be more ...
Hi brooks and all:<br> Possibly this response shopuld have been writtn first.<br> Brooks is right that human waste could also be used to generate methane and ...
Hi:<br> you 're entirely right ( Brooks ) about the ease of the tanks in space > At least relative ease.<br> Basicaly the tanks would revolve around a hub ...
<<If ANY of you have access to the working drawings of the external tanks,eg the thicknes of the skin placement of the stringers ,etc.,<br>I would love...
You might try this from Yahoo search on External Tank<br> <br>The ET is actually three components in one: a liquid oxygen tank located in the forward position;...
> I am thinking today, tomorrow, and 5 to 10 years from now. Cities on Mars or space are going to be a huge endeavor, but Mars has the advantages over space...
> The bad news is that the thin walls are worse than no protection from radiation. You will also have to move these to the desired sites, The dV... for a...
-At launch, propellants are pressure fed at a combined rate of 1,035 gallons (3,900 liters) per second through 17-inch (43.2 centimeter) diameter feedlines to ...
-in that they (space habs) offer the best living conditions and availability of resources, if you're thinking of any effort which requires the level of ...
Hi All:<br> This was sent to me and is a great source of info for anyone would considers alternatives for getting infrastructure to Mars .<br> the Fitches ...
I know I haven't posted in a while, but I have been found the latest debates quite informative. If you haven't already done so, I highly suggest that you check...
Hi all /Brooks:<br> I don{t know if I said that space would be a good place to build habitats.<br> I do feel that the potential of the shuttle External tanks ...
I agree with John on all of his points.<br> The aim of NASA seems to be anything but to get to Mars. At least from what we have seen.<br> A day or two ago, I...
I don't see why they don't keep the ET's and add them to the ISS super structure and when you get enough together send up a mission with an unmanned transport...
energy mostly. it takes some extra propellant to carry the 30 tonnes to the ISS altitude from where they are usually ejected.<br> The ISS isn't really in trans...
Hi Brooks /all:<br><br> I think that solar panels could be mounted atop a pole like arrangement.<br> Yet remember all mas is expemsive to lift to the Moon.<br>...
Admittedly the dV adds up.<br> I draw your attent to the work of Dr Clark Hawke at U of Alabama.<br> His research there suggests that a solar steam rocket or...
-energy mostly. it takes some extra propellant to carry the 30 tonnes to the ISS altitude from where they are usually ejected.<br><br>True but the fuel left ...
As i had promised jgz3001 to make him a co-founder<br>"I Did So"<br>I have to take care of my studies so i wont be online frequently! I dont want this club to...
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