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#826 Re: Civilization and Culture » Religion on Mars - The role of religious beliefs on Mars... » 2002-06-20 17:17:39

Just don't confuse religion as the following of a particular way of expressing a belief, with Faith - the inner certainty of something other / higher than yourself.

I think you bring up a good point.  There are a lot of "spiritual" people who don't necessarily follow any particular religion.  Anyways, the more you try to repress religion the more it tends to grow.  Who knows, totally new religions and forms of spirituality might spring up on Mars.  I don't think that's a bad thing necessarily.  I like reading about Zen Buddhism and applying some of its tenets to my life even though I'm an atheist.

#827 Re: Civilization and Culture » Martian Security - Should guns be allowed? » 2002-06-20 17:06:35

I often thought about how a terrorist in a Mars colony might operate against people in his own colony without endangering his own life, but the threat of another colony coming over to whack another one is twenty times scarier.  Guns are low tech, they'd be easy to make, and with all of that rocket fuel around colonists might make crude missiles to puncture habitats.  If a government on Earth ordered one of its Mars colonies to wipe out another but keep its structures intact, the government might be able to ship a nuetron bomb on a spaceflight of peace as an efficient way for the attacking colony to wipe out the residents of the target colony but keep the structures and equipment in salvageable condition.
I believe the attacking colony would probably have very high chance of destroying their enemies.  By time the defenders suited up and ran out of their living spaces it'd be all over.

#828 Re: Human missions » Is the Ming Dynasty a relevant analogy? - Go now or wait til it gets cheap enough? » 2002-06-20 16:44:13

I ask this questions because I am convinced this is a fundamental question of great importance. I am certainly inclined to want to go as soon as possible, but I wonder about my deeper motives. Do I just want to see humans on Mars in my lifetime out of selfishness or because I believe we may never do it if we leave it to future generations. Might future generations have enough on their hands dealing with the mess we've left them?

I believe it's a question of fundamental importance.  I often think it's a miracle that we still have any presence in space at all considering, as Anansi pointed out, that politicians tend to be megalomaniacs who can't think in time spans that stretch beyond their own career and won't likely support ventures that won't give them "political capital."  And space flight doesn't tend to bring a lot of pork that people visibly see or experience like education or highways.  I don't think we can wait around forever either.  Since it's a tendency of governments to increase their powers rather than decrease them we could very easily find ourselves in a situation where governments won't allow mass migrations to Mars.  So I don't think we can sit around forever either, but at the same time, we don't have any economical ways of getting to Mars en masse.  We're more or less forced to sit around hoping things improve while there's still time. 
       Anyways, if we send people to Mars we should do it with the idea of colonization and a continued presence.  If the politicians only want to have a flags and footprints mission so they can gain clout for the next election I have no interest in going to Mars.  Hopefully spaceflight technology improves to the point that it gets cheap enough that we won't have to rely on government funding at all.

#829 Re: Human missions » Space Launch Initiative - Possible dividends for Mars exploration » 2002-06-20 16:08:39

I hope NASA gets it right this time and doesn't end up supporting another $10k per pound to orbit wonder.   It's encouraging though that NASA is actually working on things like this.  I especially found it inspiring that NASA wants this technology to be a cornerstone in private space transportation.  But I wonder if it'll still be cost effective against the already existing Russian hardware that could do most of the taxiing and launching functions already for a fairly cheap price.

#830 Re: Mars Gravity Biosatellite » Translife on ISS - Does anyone see a problem with this? » 2002-06-19 19:41:38

I'm not familiar with the "Trans-Life" project.  From the name I take it's somekind of program aimed at seeding life at other places off of Earth?  Well it's encouraging to see that maybe there's half-decent experiments going on in the ISS.

#831 Re: Not So Free Chat » Global warming? - New Ice Age? » 2002-06-19 19:29:50

So, yes, I have absolutely ZERO doubt that the USA and other Western/developed nations get an extra tromping on due simply to politics, jealousy, our deep pockets, etc.  Sure, the US has contributed its share to the pollution problem, and we should own up to it, deal with it, try to correct it, etc.  But, yes, there are many political undercurrents at play as well...and some of them are purely anti-Western.

I couldn't agree more.   Even though people don't believe it, there are a lot of strict environmental regulations in place in the USA.  Virtually all industrial and energy producing factories under construction as well as many existing ones are required to add scrubbers to their exhaust stacks to react the pollutants with chemicals and thereby remove them from the environment.  Not to mention that we require smog checks and smog devices on our cars to reduce emissions and fuels formulated with various chemicals to reduce emissions even further.  I could add a million other points, and we still have a long way to go, but for other countries to smugly point their self-righteous fingers at the USA while ignoring their own often worse environmental messes is the height of hypocrisy.

#832 Re: Civilization and Culture » Architecture on Mars - radically different than Earth? » 2002-06-19 19:14:36

I remember reading about one architect, whose name completely escapes me, that advocated an architectural system called arcology that was basically a pre-planned city that could pack a very high density population comfortably into a relatively small area.  I thought his ideas were somewhat crazy, but now that I think about it, his ideas might make perfect sense for Martian architecture.  He had a lot of very tall buildings with unique designs and transportation systems.  I have to find that book so I can elaborate further.   
       How tall could you build a skyscraper on Mars before it ends up in outer space?  Where does the Martian atmosphere end and space begin?

#833 Re: Planetary transportation » Flying "back-packs" - Another way of getting around on Mars? » 2002-06-19 18:59:26

I can't recall the appropriate name for them, but they were popular in 1950s [that was before my time, mind you!] science fiction shows.  It looked like a back-pack [wherein the fuel was stored] which strapped onto the shoulders, and maneuvering could be done with gadgets on the hand grips attached to the "back-pack."  Maybe the US military actually even had these at one time?

I think your talking about jet packs.  Having such things available could help you explore those hard to get places at the bottoms of canyons, etc, and you could also use the fuel made with the reactor to refuel them.   I never actually read of someone  mentioning their use on Mars, but they seem practical, although dangerous, for exploring Mars.  I like the idea personally.  Zubrin mentioned using NIMF vehicles that could literally globally hop around the planet and refuel themselves from the atmosphere after each hop.  Having a combo of these vehicles and jet packs I think Mars would be a lot more fun. smile

#834 Re: Planetary transportation » Dirigibles on Mars - A practical means of transport? » 2002-06-19 18:47:50

*I'm certain I read somewhere that the more intense dust/sand storms on Mars could cause lightning.  :shrugs:

Don't quote me, of course

The static electricity from such storms might damage electronic equipment as well, but considering that I have yet to hear about Earth based dust storms causing similiar problems I wonder if there's really much of a danger.

#835 Re: Science, Technology, and Astronomy » Scrambled atoms, anyone? - Or do you like your atoms sunny-side up? » 2002-06-19 01:29:28

I already know I wouldn't be the first volunteer!  I'll just take the shuttlecraft. Really though, this is exciting technology.  If they can succeed in transporting simple molecular objects it would be almost like magic!  If I were these guys I'd probably be trying to figure out how I could make a billion dollars with my "telekinetic" abilities. smile

#836 Re: Science, Technology, and Astronomy » "Star Wars" missile defense - practicle? » 2002-06-19 01:18:20

Mutually assured destruction has worked well over the past half century, but it is so unpredictable that we should not rely on MAD for protection.  MAD only works when rational people control the nuclear stockpiles.  What would happen if extremists overthrew Gen. Musharraf and took control of Pakistan's weapons?  India would be a smoking crater.  The problem is that there are many radicals who are willing to gamble with the lives of their own people because their greatest achievement would be "dying for Allah."  We need theatre missile defenses to keep the peace between India and Pakistan, and to stop Iraq from threatening the middle east.  As an engineer I'm confident that "hitting a bullet with a bullet" will work--the past six or so tests of the National Missile Defense have been complete successes.

They've been successes under sterile conditions, but how will those systems fare when an attacking country launches volleys of dummy missiles that make picking out the real missile in time or shooting them all down a problem not to mention other problems with more advanced decoys.  Terrorists are probably more likely to resort to things like suitcase bombs and other more easily handled weapons than continental ballistic missiles.  I concede you have a point about fanatics overpowering a government's control of its own missiles, but that seems like a relatively remote possibility.  Pakistan is probably the only country where a possibility exists for such a scenario, but they seem able to defend themselves from terrorist usurpers.  I see no problem with local theater missile defenses like the Patriot system, but I don't think we need to spend 75-200 billion dollars on a questionable system.  Anyways, the MAD philosophy so far seems to be working with India and Pakistan since they have yet to launch missiles at each other.

*Mmmm-hmmmm.  Here's a little quote of Voltaire:  "Money is always to be found when men are to be sent to the front-lines to be destroyed; but when the object is to preserve them, it is no longer so."

Money and power.  Probably the only reason more nukes haven't been launched is because the people who are willing to send others to die for some petty and personal cause know that if they launch nukes, they themselves will most likely be fried or ostracised internationally.  I pretty much agree with Ayn Rand that governments don't have rights to force it citizens to fight and die for whatever cause.  If a war is truly worth fighting you'll probably have no problem finding volunteers, and if you don't find enough people willing to defend the country at its most critical time it's probably a sign that country isn't worth fighting for in the first place.

#837 Re: Not So Free Chat » Global warming? - New Ice Age? » 2002-06-19 00:47:25

Here's an alternative explanation for global warming: black body radiation.  Simply put, manmade structures do a better job absorbing the infrared radiation of the sun.  By covering the earth's surface with concrete and steel, we can raise the temperatures in the troposphere.

Are there enough manmade structures covering the Earth to affect global temperatures though?  Most of the Earth is still empty or cultivated space.  Not to get off topic, but I was reading some articles lately that accused the USA and some other industrially advanced nations of destroying traditional rain patterns in Africa.  It's always suspicious how they never attach blame to highly polluted socialist countries like China.  It's hard to get an accurate scientific assessment of environmental health when people attach their politics to it.

#838 Re: Intelligent Alien Life » The Drake Equation - useful? » 2002-06-17 17:52:53

Perhaps I deserve to be chained to a wall and whipped until my flesh falls off for saying it, but does anyone here find the Drake equation a bit on the useless side?  It seems so wide open that it makes sense of anything and I don't know how you could ever reliably estimate half of the variables.  The Drake Equation seems more like a teaser than anything scientifically useful.   As a side note, I'm not bashing Dr. Drake, he was definately a great scientist, I'm just not sure I find the Drake Equation to be all it's cracked up to be.

#839 Re: Not So Free Chat » Global warming? - New Ice Age? » 2002-06-17 17:25:38

Paradoxically - some think that global warming will cause a new ice age. One mechanism arises from "turning off" the Gulf Stream. For more detail than I can provide, check out this link:

I've heard this theory also.  I think the best we can do is to invest in technology that produces clean energy and try to find alternatives to the rampant use of anti-biotics, etc.  I remember reading an article about some research into using genetically altered viruses to attack microbial infections.  I just hope we don't ultimately cave in to the anti-human/anti-technological faction of the environmentalist crowd who would    love to see billions of people die, although not in a way that was caused by catastrophe to the environment.

#840 Re: Science, Technology, and Astronomy » New Discoveries - Extraplanetary, deep space, etc. » 2002-06-17 17:06:25

The telescope's optics are delicate, and to take it from an indoor environment of 68 degrees F to an outdoor environment of 0 degrees F might result in cracked optics.  I'd put the telescope near the back door (a cool area in the house) for 10 minutes, then on the back porch (noninsulated and enclosed, very cool) for 10 minutes, then take it outdoors.  I'm not sure if paying special attention to humidity, temperature differences, or something similar is what they mean by "collimate."

Oh man, I would have just packed up the scope in winter weather and dragged it indoors immediately when done.  It never would have occured to me to allow it to acclimate slowly to temperature.   I think by collimate they mean to adjust the mirror so it properly reflects light to the right places.  I saw a laser collimater once so I assume it means to align the mirror or something along those lines.  I've suddenly gained a few more points of confidence though knowing you haven't had to do anything to the mirror.  I'd just end up making the scope useless, I just know it. smile

He and George argued for nearly half an hour, and his father simply refused to believe it WASN'T the moon.  He related the story in a very humorous way that I cannot.  It gave me a good laugh, and probably lots of other readers as well.

haha, I could see how that could happen.  I can see how someone might just for an instant think they're looking at the moon, but to argue for half an hour that your looking at the moon when there's no moon in the sky!  Reminds me of one guy I know in particular.  You'll tell him a joke meant for a four year old and it takes him like 10 minutes to get it but I think even he could be convinced he wasn't looking at the moon! smile

#841 Re: Science, Technology, and Astronomy » "Star Wars" missile defense - practicle? » 2002-06-17 16:45:21

agree with you 100%.  A "Star Wars" missile defense system would indeed be a *tragic* waste of money, and the U.S. would still just as vulnerable to a nuke attack from the ground or whatever.  I sincerely hope we have a change of administration before this program gets off the ground..if it does, we'll never have a decent space program

I was thinking the same thing.  With all of these people willing to smuggle dirty bombs and fly airplanes into buildings, it seems there are more efficient ways for people to blow things up then to launch missiles.  What's especially bad is that during its best tests the SDI system had less than a stellar performance rating.  We'd probably all end up dead anyway even if this thing was active.   

The USA Treasury is more than able to maintain an adequate defense/military system AND give **generously** to space advocacy organizations/programs AND provide health insurance benefits/options for the working uninsured AND keep old people comfortable and well fed.

Talk about misplaced priorities!

It has always amazed me how there seems to be so much money available for the military and so little for everything else.  200 billion dollars is an immense amount just for a  single project that probably won't work anyway!  Makes me sick just to think of all the ways that money could be used!  They had no problem canning that supercollider in Texas that could have opened up a lot of new discoveries, but they'll sure as hell throw away 200 billion dollars on a worthless system that won't advance humanity in any way.  If this kind of money was put into civilian R&D for things like medicine and spaceflight we'd probably have a lot of breakthroughs. 

Any American missile defense will offend the rest of the nuclear powers because it undermines their strategic deterrent.  What I propose instead is an international missile defense effort, composed of the nuclear powers.  This would give the nations a defense against nuclear attack, preserve the strategic balance of power, and presssure nations with secret nuclear arsenals (Israel and others) to come out of the shadows.

I think history has proven that the threat of mutually assured destruction has acted as a powerful deterrent against the use of nuclear weapons.  After all, we are still here aren't we?  The USA, China, USSR, etc, have had plenty of wars in which launching nuclear strikes could have led to victories but it never happened.  Now this bullet proof jacket we are putting on ourselves will only lead other countries to build up their nuclear defenses and lead to false hopes that a nuclear war could be won without damage to the attacker.  That's very dangerous.   I bet if India or Pakistan had developed somekind of SDI system they would already have launched nukes thinking they could defend themselves from their enemies counter-strike.

#842 Re: Terraformation » Red Views » 2002-06-17 16:11:58

If human guided agriculture is OK on Earth - and agriculture quite plainly intereferes with the "natural" process of life on Earth - why can't we interfere with Martian microbes?

Please understand, I am sympathetic to the idea that eradicating Martian microbes is NOT a good idea - I am merely trying to get a better handle on "Why?"

Also, are there any ethical considerations concerning the eradication of microbes which cause bubonic plague or the smallpox virus?

Challenging questions.  The most apt reason for not interfering with with e.t. life is that we are not a part of that eco-system in any way.  On Earth we are native lifeforms and have as much right as any other lifeform here to struggle for survival, but to actually fly to another planet and then terraform it so completely that native life can't exist there seems to defeat the notion that we should give life a chance to evolve to its own conditions on other planets.  Of course my argument is easy to shoot down, and I only half-believe it myself.

#843 Re: Human missions » Research Facility Mars Moon?! - A misprint maybe? » 2002-06-17 15:47:07

Even though I agree with Buckner and RobS that the Martian satellites will prove valuable, I think for the short term it's still better to spend our resources just landing people on Mars and having a look around for life and doing some greenhouse experiments etc.  I think the space bill is a little bloated with expensive projects that are bound to interfere with each other.

#844 Re: Science, Technology, and Astronomy » "Star Wars" missile defense - practicle? » 2002-06-16 13:24:33

What are your opinions on the Star Wars missile defense initiative?  I almost died of shock when I read that it when its all done and paid for it could cost upwards of 200 billion smackers.  It seems like a tragic waste of money to me.  Imagine what could be done with that much money to open up the space frontier and all of its economic benefits that could help all of humanity.  This whole Star Wars things always reminds me of an over complicated Ruberg device with all of its various lasers, airplanes, and satellites anyway.  It seems possible that any country intent on launching a missile attack could outsmart the system by launching volleys of dummy missiles or decoys to overload the system.  I don't think we really need to spend all that money on a system that's of uncertain use and may be easily outsmarted anyway.

#845 Re: Intelligent Alien Life » The purpose of this forum » 2002-06-16 13:07:58

Maybe you should rename this thread "The Lunatic Fringe"

#846 Re: Science, Technology, and Astronomy » New Discoveries - Extraplanetary, deep space, etc. » 2002-06-16 12:58:18

*No, unfortunately I can't see the polar ice caps of Mars or its tiny moons; I'd need a telescope with higher magnification powers than mine allows me, which is why I plan to get a bigger one.

What I can see with my telescope are (a few examples):

1.  The Orion nebula.

2.  The rings of Saturn.

I've been wanting to know exactly what kinds of things you could see with a certain power.  So I take it a 4.5" isn't really what you want if viewing deep sky objects is your thing?  I have to say though, I want to see the phases of Venus.  smile  I hear with an 8" scope you can actually see Pluto as a very faint point of light, so I imagine that might be a better scope to invest in for observing things like nebulas, etc.  Ack, I had no idea either that it was bad to view the moon directly through the scope.  You've scared me from even using my binoculars to look at the moon with, thanks for the warning though before I buy a scope and burn holes in my eyes smile.  Anyways, do you ever have to "collimate" the mirror in your scope?  I've read that's something you have to do but I don't know what the procedure is.



Brad, what on Earth does your post have to do with this thread about extrasolar planet detection?

I think Brad needs to take his medication.  tongue

#847 Re: Not So Free Chat » The Idea of an Internation Space Agency - Just how might it work ? » 2002-06-16 12:48:12

The reason I'm asking is because I have always dreamed that having one single international space agency to pool humanity's resources would greatly increase our pace of advancement in space, and allow for more ambitiouis programs.

It might work if other space agencies are allowed to also work seperately on their own space projects.  I don't think any one agency should be given absolute power to make all decisions concerning spaceflight, but as something of a consortium where different countries could come to together to brainstorm on projects, I think it's a great idea.  I tend to think we need to open up space to private interests as well to advance rapidly.  Even though people hate corporations and private business, if there's a profit to be made, and I think there is, these interests will be a hell of a lot more efficient in developing the economic resources.  I have big hopes that private companies like StarChaser Industries might be able to open up spaceflight as a routine venture for the average citizen sometime in the future.

#848 Re: Water on Mars » H20, where'd it go? - What happened to Marsian water? » 2002-06-16 12:39:30

Not really.
I always thought the best thing to do would be to put Venus into the orbit of Mars and Mars into the orbit of Venus. What do you think of that ? (not considering that right now it's more than impossible   ).

I have no idea how you'd do that, but if you were using the volatiles on both planets to move them into different orbits you'd likely have nothing left on the planet to make it worth colonizing in the first place.  That would be one hell of a space tug though.

#849 Re: Life support systems » Food! - Marsians=vegetarians? » 2002-06-16 12:29:30

I had no idea you could just go to the store and buy a coffee plant.  Anyways, would insects make a good source of protein?  Roasted locusts are a popular food in some cultures and I imagine they'd be high in protein.  I remember seeing some in Mexico that were rolled up into tortillas.  I didn't eat any, but I'm sure after the first bite you'll be back for more. smile
Then again, you might risk having hordes of locusts destroy your plants.  It should be easy to keep the two apart though.

#850 Re: Planetary transportation » Dirigibles on Mars - A practical means of transport? » 2002-06-16 12:23:09

It's great to see all of these space projects that are being planned and run by private organizations like the Mars and Planetary Society.  It sends the message that space isn't as inaccessible as a lot of people like to think it is.  I hope after the current X-prize is won a new one is offered that ups the ante to actually launching ships into orbit.  If that can be accomplished without government help I think Mars will suddenly loom a lot closer on the horizon.

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