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1. All nuclear nations, including North Korea and, within a few years, Iran, must declare their full nuclear stockpiles.
Doesn't seem likely. I can't see countries like Iran and N. Korea, which are completely ruled by totalitarian religious zealots and unstable egomaniacs, giving a damn about joining an effort to send people on a space voyage if it means giving up their best weapons and tools of international persuasion which nukes are good for.
- spacesuit: we need a suit that is light-weight enough to permit operations in Mars gravity, and dexterous enough to permit climbing rough terrain, and safe enough to ride a unpressurized rover (similar to an ATV). The Australian chapter is proceeding with MarsSkin to develop a mechanical counter pressure suit to accomplish that.
I wish the MS would do a better job of publicising these types of things. I think the member roles might increase a bit if people saw that the MS wasn't just running the analogue stations. If the MS succeeded in contributing significantly to developing something like a very flexible, durable, and comfortable spacesuit that was used on an actual manned mission I think it would do wonders for bringing the MS out of the darkness. To be honest, spacesuit design is the most fascinating thing to me for some reason. I just can't envision living on Mars if I have to use huge, heavy, and bulky spacesuits like those the lunar astronauts wore.
I've also enjoyed the interviews. Since the space elevator seems to be a controversial and current topic I'd like to see Dr.Brad Edwards featured in one of the shows. He's tinkered with the idea of a Martian space elevator and it might be interesting to hear him go into detail about it as well as the Earth based one. Here's his book.
Also, you should interview Adrian. Not only does he run New Mars but it would be interesting to hear his take on various things from the "First Words" contest to participating in the Mars research station.
1. What do we do about all the space junk floating around between LEO and GEO?
The base of the elevator is a moveable platform that will shift the ribbon accordingly to avoid any major satellites/space junk. The buzz phrase is "active avoidance."
2. Why would we beam power from a SPS to Earth with microwaves if we can just string a cable down the elevator? As I understand about 50% of the power is lost in the atmosphere with a microwave system.
The ribbon of the elevator is far too long to be a good conductor. Resistance would eventually kill any electric current sent down from it, certainly a lot more than 50%. Another problem is that even if you could send power down the ribbon the anchor station will be hundreds of miles from civilization so you'd have another power transmission problem. It's easier to just microwave the energy. I'm going on the assumption that you mean this power is meant for consumption by the general public and not the elevator itself. The lifters will be powered by ground based free electron lasers.
3. I just don't see the point of using disposable capsules if you can bring them down on the elevator. Remember, most of them will be empty so you won't loose capacity at a one to one ratio.
For the first elevator it's best to keep things as simple as possible which means having only one ribbon and you don't want to waste time bringing down a lifter when you could be sending multiple lifters up in it's place. The lifters are pretty much just simple frames with motors attached anyway, nothing all that special or particularly expensive.
4. I'd make the Elevator with two ribbons up to GEO for up and down travel, then one extra long ribbon extending out from GEO to slingshot vehicles out to Earth/Mars cyclers, Saturn, or whatever.
That's always a good upgrade option but I think it would be best to focus first on just getting the elevator working using one tether for simplicity. If the first one works it's a safe bet that more and better elevators will be built. And the counterweight of the elevator does extend beyond GEO significantly enough that payloads could be launched to Mars and the asteroid belt and everywhere else in the inner solar system. The elevator wouldn't work if the actual counterweight was planted in GEO.
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3. It would be polical suicide for any polition that would vote for it. The "No Nukes in Space" is a powerful organization covering every continent.No Nukes in Space is a noisy minority group with no solid support base. Even greenpeace doesn't take it seriously. They have no serious power to influence government decision making and this was demonstrated during the launch of Cassini. Fearmongers like them are a joke. Politicians generally support poll results and the public response so far has been great.
The "No Nukes in Space" people have been moderately successful if you consider that ESA doesn't condone the use of nuclear power in space, but the anti-nuke activists have been very unsuccessful in the United States. Just look at Project Prometheus and the various spacecraft which have used plutonium power sources despite the court battles and haranguing of groups like Greenpeace and the Global Alliance against Nuclear Power in Space. I'm holding out to see how well the mini-orion engine does. The full fledged nuke pulse ship might not have a political chance in hell of becoming reality but its little sister might.
The U.N. is organized to eventually rid the World of bias, but they must be stringently supported. And that means International Court of Law.
Depends on the type of laws they intend to enforce and how they plan to enforce them. Being that UN officials, at least the American ones, aren't on my ballot I'm hesitant to just hand them blatant power to rule as they please. If they aren't directly accountable to the people then I don't want to be subject to this so-called world court. I think justices, i.e. Supreme Court judges and the like, should be voted on by the people not appointed by politicians.
Great news. That's an unusual and sleek looking ship. I wonder if it's capable of flying three people or if the current version can only take one person to suborbital height. Judging from the pictures, it looks like both stages have human pilots.
Do you think you're "at liberty" to make Hindus eat beef? Or maybe you can rewrite Confusian classics to make them "modern".
Since the state holds all rights it can legally and rightfully coerce the lowly individual as it sees fit. After all, in Clark's colony you wouldn't even be allowed to raise your own children, they'd be taken from you to be raised by "professionals." The individual means nothing, the collective means everything. Can't wait to immigrate to Clark's colony. I have an extra ticket if you want to come along AJ.
Mars didn't make a conscious choice to become a hell-hole. The biosphere has changed Mars consciously for the past few billion years. You almost make it seem as if Mars is some sentient being, capable of choosing its fate.
Good points, gotta love misanthropic, half-baked eco-spirituality. If if the meme that humanity is nothing but a cancer on the planet and that our progress only leads to its destruction becomes universal we will never be colonizing space. We will choose to keep ourselves quarantined on this planet until the next natural ice age in the next 10,000 years or so wipes us and most higher life out, an ice age that has nothing to do with meddling from humans. All life on this planet will eventually go extinct whether there are humans here or not, and in the very far future, terraforming Mars or some other place may be the only option for saving a lot of it.
Cindy said:
...I'm simply wondering if any of you are taking into consideration the fact that there would be enormous amounts of protest by various environmental groups and the like
The moons are already going to be lost to Mars in one fashion or another. Phobos will eventually crash into Mars and Deimos will just fly off into interplanetary space the way our own moon is doing. Both moons are just tiny, captured asteroids anyhow. With all of this talk about the danger the moons pose to space elevators the ultimate solution would simply to move the satellites into appropriate orbits with the right velocities and use them as the counterweights for space elevators. Problem solved and you'd basically have a direct link to a giant iceball for the taking. A project for far in the future of course!
Any progress on that website Orionblade? I have to say I'll be spellbound if you manage to throw a rover to Mars for $10,000. I've been following Armadillo Aerospace's adventures and just the fuel tanks they want will cost that. But then again it makes you wonder just how far you might be able to go if you could use 100% volunteer labor and only had to buy the construction materials (and maybe even get some of those for free.) It seems like you'd need to rent shop space and have it outfitted with all kinds of machining equipment which in itself might eat up that 10k quickly. But then again it might be possible to find a volunteer who already has the necessary equipment or someone willing to lend it for free. I'd definately volunteer to work on a project like that. I think there'd be something romantic about riveting spaceships together in the far hours of the night.
Also, it seems like the rovers would need to be sterilized before being sent to Mars. Politics might kill this thing before it even took its first steps. It might even be possible that just getting past the red tape would eat up the budget. But then again there are plenty of space advocacy groups out there that could help in that area.
The similarity of those faces in the photographs are definate proof of an Iraq/Mars connection. Now it begs the question, did the little green men whisk Saddam off to Mars in the nick of time? I'm not so sure I want to go to Mars now if Saddam and his little green allies rule the planet.
I second all of the above. :laugh:
I believe mass colonization will only happen once the private sector can get people into space en masse and economically. Since the Outer Space treaty prevents countries from declaring sovereignty over extra terrestrial real-estate I can't see anything more than a few science bases being setup by governments. Gov'ts are about as likely to promote the growth of colonization of outer space as they are to promote the mass colonization of Antartica (which is subject to similiar treaties at the OST.) Of course there are possibilities that science outposts could inadvertently grow into big colonies or that countries may withdraw from the treaty and stake out claims for themselves, but these seem unlikely. And I really don't see much of a difference between a company charging people tickets to ride their spacecraft to a colony and a few government commissars choosing who may and may not leave Earth. Most socialists don't want to see mankind leave Earth anyhow. They'd rather we be quarantined to Earth and have the money that would be spent on space projects be funneled into their pet social causes here on Earth.
Some people have suggested that the Martian moons might end up being the "gas stations" of the Solar Station since they are rich in volatiles that could be used for rocket fuel and water.
The only solution is to tax everyone at 95%, have a handful of fools, I mean, experts make all economic decisions for us, use gulag slave labor to make up for work where our genius command economists failed and to resurrect Stalin as dictator. Anything less is fascism and I simply won't stand for it. Long Live the Ten Year Plan! :angry:
It doesn't appear Shaun has been paying attention at the re-education camp.
It figures that you'd bring up Buran about five minutes after I deleted all of my bookmarks relating to it. What's sad is it's precisely because of the Buran program that the Soviet ideas for building bases on the moon were ultimately canned. According to the biography "Korolev: The Man who Masterminded the Soviet Drive to the Moon" (title might not be exactly that) The Soviets ultimately developed the Buran because they feared the space shuttle had military purposes and they wanted a similiar vehicle as a "counter threat." I think the space shuttle and Buran programs might have actually been one instance where the cold war competition in space actually set us back. I don't think the Buran was a big enough improvement over the shuttle, at least economic wise, to make it a much better alternative.
I'd be interested to know if they're working on any other nuclear propulsion technology. I'm also curious if he's gotten any nasty emails from the anti-nuclear establishment berating him for the work. I love this interview idea, my mental gears are already cranking as to who should be up next.
Another good book is "The Elegant Universe" by Brian Greene. It's my favorite pop-sci book.
Skim through the threads in the terraforming section for a lot of info. An artificial atmosphere could be made in a number of ways even though it would likely take a very long time ranging from hundreds to thousands of years. Even without an atmosphere it would be possible to inhabit Mars by building underground colonies or constructing large complexes of surface buildings adept at blocking radiation.
The reason I'm posting now (apart from my natural fascination with this amazing concept), is to bring your attention to a hypothesis I dreamed up that Mars may yet have a functioning reactor at its core.
I remember you mentioning that. Even if Mars doesn't have a lot of active volcanoes it's possible that a lot of the areas that show recent water runoff might be related to geothermal energy, which could be evidence that Mars hasn't cooled off. Anyhow, if Mars happens to have a nuclear reactor at the core I'm going to nominate you for the Nobel Prize in geology. Come to think of it, do they even offer Nobels in that field, if they don't they should!
*Distant black hole 3 billion times bigger than the Sun:
Imagine how big that thing would be if merely had the density of the sun, it would probably be a star with a diameter akin to an entire galaxy. It seems the farther and farther back in time they look, the weirder and weirder things get.
I am inclined to think there is no such thing as a pretty or an ugly language, because one has to find some sort of universal set of criteria to define these terms, and they don't exist.
Most of my college linguistics professors took this position. There is no such thing as a "superior" language since the primary goal of speech is merely the transmission of ideas. One might argue that a large vocabulary somehow makes a language superior, or the flow of its vowels, or some other arbitrary thing, but these are purely aesthetic and secondary. Languages are flexible, if they need larger vocabularies or more sounds they'll be incorporated. Unless a single cultural group becomes predominate on Mars, I don't see how you can just sit down and tell everybody "ok your going to speak this language now." Good luck! There should be no "official" language of Mars, at least in the beginning. Let the language evolve on its own. Not everything needs the help of the dictators!
What exactly IS the radiation danger on Mars? And how many of you folks (more knowledgeable than me in this regard, obviously) think humans can live for long periods of time on Mars (even a lifetime) versus humans only being able to stay for short durations (perhaps up to 5 years, for example)?
Humans who live for a lifetime on Mars will probably have to live underground to minimize their radiation exposure. NASA only allows its astronauts to accumulate only so many rems before they're retired from spaceflight and if those standards remain, any astronauts going to Mars won't be allowed to go back into space because they will have reached the maximum allowed exposure by the time they return. I'm holding out hope though that we might develop "force fields" which can block radiation. People are doing research on this sort of thing at the moment so no telling what we may have in 30 years.