December 6, 2003, 11:00
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#91
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King
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Putting a colony on the moon would, as mentioned above, be a first step toward expanding to other planets. We'd learn what worked and what didn't, etc. More importantly, I think that a moon colony would boost the public interest in the space program, and therefore provide the necessary funds for a Mars colony.
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December 6, 2003, 11:03
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#92
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Emperor
Local Time: 13:39
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Quote:
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Originally posted by Verto
This would have nothing to do with science. This is all about making sure those upstart Chinese wannabes know their place.
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I think it's more about wanting to get elected next year.
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December 6, 2003, 12:37
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#93
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ACS Staff Member
Local Time: 09:39
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The main question is why.
I really want to have a moon colony, I really want to go to Mars, I really want to expand to other planets. Why? Cause it would be cool, and I'm a geek.
We need better reasons than that, cause there just aren't enough sci-fi geeks out there.
__________________
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When I was younger I thought curfews were silly, but now as the daughter of a young woman, I appreciate them. - Rah
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December 6, 2003, 13:00
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#94
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Emperor
Local Time: 16:39
Local Date: November 2, 2010
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Posts: 3,161
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Quote:
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Do you think that the human race will benefit from having nuclear weapons platforms in orbit and on the moon's surface? The existence of such weapons increases the chance for the extinction of the human race, and cannot be reasonably described as progress. There's also more chance of mechanical failure in space.
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Not all weapons are nuclear.
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December 6, 2003, 14:29
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#95
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King
Local Time: 09:39
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Location: The 3rd best place to live in the USA.
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Quote:
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Originally posted by Dissident
mars is impossible with current technology.
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Like Hell. Haven't you ever heard of the Mars Direct plan? It's been mentioned enough on this board enough.
http://www.rps.psu.edu/0305/direct.html
Mars Direct
By Charles Fergus
ccording to Robert Zubrin, president of the engineering firm Pioneer Astronautics and founder and president of the Mars Society, NASA’s current vision of sending humans to the red planet depends on a 1,000-ton, 100-meter-long spacecraft. Too heavy to launch through Earth’s atmosphere, the ship would have to be “built on orbit,” said Zubrin, at an estimated cost of $400 billion. He characterized it as “a giant interplanetary spaceship” engineered by “a giant space agency.”
In contrast, Zubrin and two other colleagues developed the Mars Direct plan, which relies on existing technology (including space shuttle components), exacting logistics, a travel-light-and-live-off-the-land approach, and a $20 billion budget. Zubrin said, “We are much closer today to sending people to Mars than we were to sending people to the Moon in the early 1960s.” How soon could a manned Mars mission become reality if NASA or an international consortium of private or governmental space groups started gearing up today? Pronounced Zubrin: “A decade from whenever someone finally turns on the money.”
While at Lockheed Martin in the early 1990s, Zubrin headed a team to develop new strategies for space exploration, including Mars Direct. At the sixth and final lecture in Penn State’s 2003 Frontiers of Science series, Zubrin laid out his plan, in which a series of biennial missions, both unmanned and piloted, would result in a base on Mars. Back in 1968, Zubrin and other enthusiasts had formed the Mars Society, whose goal is to further exploration and settlement of the red planet. The group, with 6,000 members in 40 countries, conducts public outreach and education and supports research on Mars exploration techniques currently underway at bases in the Utah desert and on Devon Island in arctic Canada. Zubrin said that an initiative to reach Mars in, say, 30 years probably would fail. Rather, we should launch within a decade: otherwise changing politics would likely arrest the venture’s momentum.
t the heart of Mars Direct is a launch vehicle dubbed the Ares, similar in size and power to the Saturn V, NASA’s now-obsolete workhorse that sent astronauts to the Moon in the 1960s. Ares consists of a modified space shuttle external tank, two solid-fuel rocket boosters, and four shuttle main engines mounted to the external tank’s undersurface.
In Year 1 of the Mars Direct mission sequence, Ares would send an unmanned cargo lander to Mars. (For simplicity’s sake, we’ll assume that NASA makes Zubrin’s day by accepting the plan and turning on the spending tap: Following a decade of development, year 1 translates to 2013.) In the lander launched in 2013 would ride an earth return vehicle, or ERV; a propellant factory; 5.8 tons of liquid hydrogen; a 100-kilowatt nuclear reactor on a small rover; and food for four people for nine months.
One problem with NASA’s conceptual Mars ship, claimed Zubrin, is that “75 percent of its mass is fuel and oxygen needed [for astronauts] to come home.” Zubrin noted that early explorers like Lewis and Clark “lived off local resources — that’s how exploration has always been done when it’s been done intelligently.”
Back to 2013: “You send a 45-metric-ton payload to a soft landing on the Martian surface,” like the 1976 Viking mission. After touchdown, the food-stocked ERV sits waiting for hungry astronauts to arrive on a future mission. The robot truck wheels off to a natural depression, such as a shallow crater, and emplaces the reactor — “a putt-putt nuke sitting in the back of the truck,” said Zubrin. Sucking in CO2-laden Martian air, and powered by the nuclear reactor, the propellant factory uses the liquid hydrogen brought from Earth to produce “37.7 tons of methane and water.” Through a series of additional syntheses the fuel factory over the next year manufactures 107 tons of methane and oxygen propellants. Said Zubrin, “That gives you a fully fueled ERV waiting on Mars.”
In 2015, the next window when Earth and Mars are close enough for a mission to take place, two more Ares rockets lift off — one boosting a cargo lander like the craft already on Mars, the other a small piloted spaceship. “Looks like a tuna can,” Zubrin admitted as he presented the Powerpoint image. He showed a second graphic of the manned craft, drum-shaped, 27.5 feet in diameter, and 16 feet tall; after landing on Mars, it would become “a surface habitation.”
En route to Mars in the tuna can, the four-person crew resides in an upper level, while a lower level carries cargo, including a pressurized rover vehicle. To maintain gravity on board, the manned portion of the spacecraft stays hooked to the rocket’s upper stage at the end of a 1,500-meter tether. Both masses spin around a common center at one rotation per minute; Zubrin claimed that the resulting artificial gravity, plus an exercise program, would reduce bone loss and muscle atrophy in astronauts to acceptable levels.
Alarms sound: Detectors have picked up potentially fatal radiation spawned by a solar flare. The astronauts ride out the event in a water-shielded chamber at the core of the habitat: “They’d be stuffed in there like passengers on the A Train for a few hours,” Zubrin said with a shrug. “It might happen once, maybe twice,” on the six-month journey. He dismissed the health effects of cosmic rays,” stating that the necessary two-and-a-half-year period of traversing space to and from Mars, sandwiched around a spell of living and exploring on the red planet, would boost an individual’s chances of developing cancer by only 1 percent.
So now we’re on Mars. It’s 2015.
epending on the accuracy of their landing, the crew either strolls over to the preceding unmanned lander or tools there in the pressurized rover, which, Zubrin said, has a 600-mile one-way range. Simultaneously, the partnering cargo lander begins to robotically manufacture fuel for a second crew, who will arrive in another two years.
In the rover, “the explorers go on long traverses,” Zubrin said. The rover might cover 10,000 miles during a 500-day Mars stay. The astronauts study Martian rocks, prospect for water, hunt for bacteria. They try to answer the questions: “Was there — is there — life on Mars?
“If we find fossils, we can drill,” Zubrin said. “Maybe there’s liquid water half a kilometer down: that’s where life would have retreated” when the water dried up or otherwise ceased to exist on the Martian surface eons in the past. Microbes found by astronauts could be compared to Earth organisms. “Are they fundamentally similar, or are they different? Is life as we know it on Earth the basic pattern of life everywhere, or are we unique, only one part of a larger tapestry?”
After their 500 days are up, the crew lifts off in the first ERV using the methane and oxygen propellants manufactured from the Martian atmosphere. After six months of weightlessness in the albeit-cramped vehicle, the crew reenters Earth’s atmosphere, and a parachute lands them safely.
A second and later a third four-person crew of astronauts descends on Mars, always following the successful deployment of a cargo lander. The missions succeed one another, with supplies and materials delivered by unmanned craft, creating “functional bases that could evolve into a mostly self-sufficient Mars settlement.”
aid Zubrin, “Life creates conditions friendly to the development and propagation of more life.” Plants on Earth, for instance, evolved to make oxygen that benefits other life forms. Ultimately Zubrin envisions human colonists setting up factories to produce greenhouse gases that would warm Mars up, thicken the atmosphere, melt subterranean ice, and start water flowing again in dry streambeds. Plants — genetically engineered varieties more efficient at photosynthesis — could be introduced to produce oxygen. In the minds of Robert Zubrin and his fellow disciples in the Mars Society, the red planet would be transformed. “Not only will humans bring life to Mars,” he said, “but they will bring Mars to life.
“Mars is a world with a surface area equal to that of all the continents on Earth put together,” Zubrin said. “We can make Mars habitable: I’m convinced that humanity will do that someday.
“If not us,” he said, “then who?
“If not now, then when?”
__________________
With such viral bias, you're opinion is thus rendered useless. -Shrapnel12, on my "bias" against the SS.
And any man who may be asked in this century what he did to make his life worth while, I think can respond with a good deal of pride and satisfaction: "I served in the United States Navy!"
"Well, the truth is, Brian, we can't solve global warming because I ****ing changed light bulbs in my house. It's because of something collective." --Barack Obama
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December 6, 2003, 14:46
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#96
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King
Local Time: 09:39
Local Date: November 2, 2010
Join Date: Aug 2000
Location: The 3rd best place to live in the USA.
Posts: 2,744
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Quote:
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Originally posted by Verto
Putting a colony on the moon would, as mentioned above, be a first step toward expanding to other planets. We'd learn what worked and what didn't, etc. More importantly, I think that a moon colony would boost the public interest in the space program, and therefore provide the necessary funds for a Mars colony.
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I think putting a moon colony up would detract from the goal here...mars.
__________________
With such viral bias, you're opinion is thus rendered useless. -Shrapnel12, on my "bias" against the SS.
And any man who may be asked in this century what he did to make his life worth while, I think can respond with a good deal of pride and satisfaction: "I served in the United States Navy!"
"Well, the truth is, Brian, we can't solve global warming because I ****ing changed light bulbs in my house. It's because of something collective." --Barack Obama
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December 6, 2003, 14:48
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#97
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Emperor
Local Time: 16:39
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Join Date: Apr 2000
Location: A pub.
Posts: 3,161
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Zubrin is a good man.
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December 6, 2003, 14:49
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#98
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King
Local Time: 09:39
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Location: The 3rd best place to live in the USA.
Posts: 2,744
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I gots all 3 of his books.
__________________
With such viral bias, you're opinion is thus rendered useless. -Shrapnel12, on my "bias" against the SS.
And any man who may be asked in this century what he did to make his life worth while, I think can respond with a good deal of pride and satisfaction: "I served in the United States Navy!"
"Well, the truth is, Brian, we can't solve global warming because I ****ing changed light bulbs in my house. It's because of something collective." --Barack Obama
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December 6, 2003, 14:59
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#99
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Emperor
Local Time: 16:39
Local Date: November 2, 2010
Join Date: Apr 2000
Location: A pub.
Posts: 3,161
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I got none. I saw a lot of tv shows he was in, though.
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December 6, 2003, 14:59
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#100
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Local Time: 09:39
Local Date: November 2, 2010
Join Date: Dec 1969
Location: on the corner of Peachtree and Peachtree
Posts: 30,698
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Quote:
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We need better reasons than that, cause there just aren't enough sci-fi geeks out there.
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Well look at the incredibly technology that came out of the space race. They were initially designed for space, but had wonderful applications at home.
__________________
“I give you a new commandment, that you love one another. Just as I have loved you, you also should love one another. By this everyone will know that you are my disciples, if you have love for one another.”
- John 13:34-35 (NRSV)
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December 6, 2003, 15:14
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#101
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King
Local Time: 09:39
Local Date: November 2, 2010
Join Date: Aug 2000
Location: The 3rd best place to live in the USA.
Posts: 2,744
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Quote:
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Originally posted by OzzyKP
We need better reasons than that, cause there just aren't enough sci-fi geeks out there.
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Because if an asteroid Hits Earth all of Humanity would be destroyed?
__________________
With such viral bias, you're opinion is thus rendered useless. -Shrapnel12, on my "bias" against the SS.
And any man who may be asked in this century what he did to make his life worth while, I think can respond with a good deal of pride and satisfaction: "I served in the United States Navy!"
"Well, the truth is, Brian, we can't solve global warming because I ****ing changed light bulbs in my house. It's because of something collective." --Barack Obama
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December 6, 2003, 15:21
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#102
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King
Local Time: 09:39
Local Date: November 2, 2010
Join Date: Dec 2000
Location: Toronto, UnAmerica
Posts: 2,806
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Quote:
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Originally posted by Imran Siddiqui
Quote:
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We need better reasons than that, cause there just aren't enough sci-fi geeks out there.
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Well look at the incredibly technology that came out of the space race. They were initially designed for space, but had wonderful applications at home.
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Sci-fi geeks already know the benifits, it's the mundanes you need to educate.
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December 6, 2003, 15:24
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#103
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Emperor
Local Time: 16:39
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Location: A pub.
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I don't consider myself a sci-fi geek, but an person that cares about the future of humanity. and without space, we have no future.
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December 6, 2003, 15:38
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#104
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Deity
Local Time: 09:39
Local Date: November 2, 2010
Join Date: Dec 1969
Location: Not your daddy's Benjamins
Posts: 10,737
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Geeks have expensive tastes. We are fortunate that they don't rule the world.
Going to the moon the first time was a huge expense. At its peak, the Apollo program was spending about .8% of the entire US economy each year. In today's terms, that's about $90 billion per year.
__________________
I came upon a barroom full of bad Salon pictures in which men with hats on the backs of their heads were wolfing food from a counter. It was the institution of the "free lunch" I had struck. You paid for a drink and got as much as you wanted to eat. For something less than a rupee a day a man can feed himself sumptuously in San Francisco, even though he be a bankrupt. Remember this if ever you are stranded in these parts. ~ Rudyard Kipling, 1891
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December 6, 2003, 15:56
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#105
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Deity
Local Time: 09:39
Local Date: November 2, 2010
Join Date: Feb 2001
Posts: 21,822
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Quote:
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Originally posted by Dissident
The only problem with a moon base it would be more complicated than a base in orbit. Why not just create the base in orbit? There are some basic elements on the moon, but you would have to create large facilities to extract anything driving the cost higher than using orbit to launch space ships.
launching from orbit is the way to go.
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Not necessarily. With a moon facility, you don't have to worry about it drifting out of position, maintaining its orbit, that sort of thing. Plus, you have some gravity, so people can stay there without getting all brittle (or at least stay longer).
__________________
[Obama] is either a troll or has no ****ing clue how government works - GePap
Later amendments to the Constitution don't supersede earlier amendments - GePap
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December 6, 2003, 15:59
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#106
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Deity
Local Time: 09:39
Local Date: November 2, 2010
Join Date: Feb 2001
Posts: 21,822
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Quote:
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There's no incentive to build weapons in space, period. There's no enemy to justify the weapons system. The only reason to build weapons in space is an addiction to weapons. If there was a cult that liked to cover everything in sombreros, they would probably justify putting a giant sombrero on the moon by claiming that it would yeild spin-off technologies and that it was 'inevitable'.
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There is no enemy NOW. However, no matter what, once any two nations have colonies in space there WILL be an enemy.
__________________
[Obama] is either a troll or has no ****ing clue how government works - GePap
Later amendments to the Constitution don't supersede earlier amendments - GePap
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December 6, 2003, 20:31
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#107
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King
Local Time: 05:39
Local Date: November 2, 2010
Join Date: Oct 1999
Location: of Aptos, CA
Posts: 2,596
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There are couple problems I see with the March Direct program. I can hardly imagine trying to land nearly 40 tn. of hydrogen on Mars. It would seem to me that we could land the nuclear reactor near one of the poles and convert the water there into hydrogen in order to make rocket fuel.
Also, I can hardly imagine landing vehicle on Mars that could take off again with 107 tons of rocket fuel.
Still the piecemeal approach has a lot of pluses. We could send rovers, nuclear reactors, habitats, supplies and return fuel to Mars separately; and when they were all in place satisfactorily we could send a manned mission.
__________________
http://tools.wikimedia.de/~gmaxwell/jorbis/JOrbisPlayer.php?path=John+Williams+The+Imperial+M arch+from+The+Empire+Strikes+Back.ogg&wiki=en
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December 6, 2003, 23:57
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#108
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King
Local Time: 08:39
Local Date: November 2, 2010
Join Date: Mar 2002
Location: Dallas, TX
Posts: 2,824
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http://www.cnn.com/2003/TECH/space/1...oon/index.html
Excerpts:
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Aides to U.S. President George W. Bush say he is on the verge of calling for a return to the moon as part of a dramatic new mission for NASA.
Sources tell CNN the target for returning to the moon is about 15 years from now. But a lunar date is not yet embraced by a White House still debating key policy and multibillion dollar budget questions.
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Quote:
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Among the administration's review of the space program:
• Setting a target for retiring the shuttle fleet
• A plan to phase out the International Space Station
• Picking a new space vehicle for manned flights
• Debating the costs and benefits of a permanent moon base
• Developing a proposal for a mission to Mars.
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December 7, 2003, 00:05
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#109
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King
Local Time: 07:39
Local Date: November 2, 2010
Join Date: Sep 2002
Posts: 2,394
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Quote:
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Originally posted by DaShi
That's why we send monkeys.
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Bush is going in space!???
__________________
meet the new boss, same as the old boss
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December 7, 2003, 00:15
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#110
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Emperor
Local Time: 06:39
Local Date: November 2, 2010
Join Date: Feb 2001
Location: hippieland, CA
Posts: 3,781
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Considering his past track record of carrier landings, this just might be the next presidential thrill ride. Could Bush really be a geek?
__________________
Visit First Cultural Industries
There are reasons why I believe mankind should live in cities and let nature reclaim all the villages with the exception of a few we keep on display as horrific reminders of rural life.-Starchild
Meat eating and the dominance and force projected over animals that is acompanies it is a gateway or parallel to other prejudiced beliefs such as classism, misogyny, and even racism. -General Ludd
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December 7, 2003, 00:20
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#111
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King
Local Time: 07:39
Local Date: November 2, 2010
Join Date: Sep 2002
Posts: 2,394
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Remember, folks. In 1960, people thought landing a bunch of guys on the moon was impossible as well.
Now, if only we could have that kind of determination again.
__________________
meet the new boss, same as the old boss
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December 7, 2003, 01:22
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#112
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Deity
Local Time: 09:39
Local Date: November 2, 2010
Join Date: Feb 2001
Posts: 21,822
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Quote:
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Originally posted by Ned
There are couple problems I see with the March Direct program. I can hardly imagine trying to land nearly 40 tn. of hydrogen on Mars. It would seem to me that we could land the nuclear reactor near one of the poles and convert the water there into hydrogen in order to make rocket fuel.
Also, I can hardly imagine landing vehicle on Mars that could take off again with 107 tons of rocket fuel.
Still the piecemeal approach has a lot of pluses. We could send rovers, nuclear reactors, habitats, supplies and return fuel to Mars separately; and when they were all in place satisfactorily we could send a manned mission.
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So Ned, self-proclaimed champion of Ann Coulter and the Right (tm) (btw, how do you make something superscript?), is also an expert in aerospace engineering, which leads you to "doubt" the conclusions of actual aerospace engineers.
__________________
[Obama] is either a troll or has no ****ing clue how government works - GePap
Later amendments to the Constitution don't supersede earlier amendments - GePap
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December 7, 2003, 01:51
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#113
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Emperor
Local Time: 16:39
Local Date: November 2, 2010
Join Date: Jul 2000
Location: Israel
Posts: 6,480
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Quote:
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Sources tell CNN the target for returning to the moon is about 15 years from now.
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We did it in less than 10 years in the 60s! Ugh!
We dont live forever, go go go! Moon base by 2007, Mars by 2015, Alpha Centauri by 2025 and Andromeda by 2040.
__________________
"Beware of he who would deny you access to information, for in his heart he dreams himself your master" - Commissioner Pravin Lal.
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December 7, 2003, 02:05
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#114
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Deity
Local Time: 09:39
Local Date: November 2, 2010
Join Date: Feb 2001
Posts: 21,822
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Quote:
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We dont live forever, go go go! Moon base by 2007, Mars by 2015, Alpha Centauri by 2025 and Andromeda by 2040.
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That last one, do you mean launching the expedition or it reaching there? Because I think 2040 is a bit optimistic for FTL travel
__________________
[Obama] is either a troll or has no ****ing clue how government works - GePap
Later amendments to the Constitution don't supersede earlier amendments - GePap
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December 7, 2003, 02:09
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#115
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Emperor
Local Time: 09:39
Local Date: November 2, 2010
Join Date: Apr 2000
Location: New Haven, CT
Posts: 4,790
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Can you say "Pathetic Attempt to Raise Approval Rating?"
__________________
"You're the biggest user of hindsight that I've ever known. Your favorite team, in any sport, is the one that just won. If you were a woman, you'd likely be a slut." - Slowwhand, to Imran
Eschewing silly games since December 4, 2005
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December 7, 2003, 02:15
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#116
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Deity
Local Time: 09:39
Local Date: November 2, 2010
Join Date: Feb 2001
Posts: 21,822
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Yes
__________________
[Obama] is either a troll or has no ****ing clue how government works - GePap
Later amendments to the Constitution don't supersede earlier amendments - GePap
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December 7, 2003, 02:21
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#117
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Emperor
Local Time: 06:39
Local Date: November 2, 2010
Join Date: Aug 2001
Location: Portland, OR
Posts: 4,412
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Quote:
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Originally posted by skywalker
So Ned, self-proclaimed champion of Ann Coulter and the Right (tm) (btw, how do you make something superscript?), is also an expert in aerospace engineering, which leads you to "doubt" the conclusions of actual aerospace engineers.
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Why not? He apparently has the psychic ability to review a film and condemn it without actually having to see it.
__________________
Tutto nel mondo è burla
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December 7, 2003, 03:11
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#118
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King
Local Time: 05:39
Local Date: November 2, 2010
Join Date: Oct 1999
Location: of Aptos, CA
Posts: 2,596
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Skywalker, you are throwing in with the Dark Side? Check our Boris's avatar.
__________________
http://tools.wikimedia.de/~gmaxwell/jorbis/JOrbisPlayer.php?path=John+Williams+The+Imperial+M arch+from+The+Empire+Strikes+Back.ogg&wiki=en
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December 7, 2003, 03:12
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#119
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King
Local Time: 05:39
Local Date: November 2, 2010
Join Date: Oct 1999
Location: of Aptos, CA
Posts: 2,596
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Also, Skywalker, I used to be an aerospace engineer, not that this makes me an expert on anything I did not work on, which is classified.
__________________
http://tools.wikimedia.de/~gmaxwell/jorbis/JOrbisPlayer.php?path=John+Williams+The+Imperial+M arch+from+The+Empire+Strikes+Back.ogg&wiki=en
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December 7, 2003, 03:45
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#120
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Warlord
Local Time: 07:39
Local Date: November 2, 2010
Join Date: Jul 2000
Location: Boulder, CO
Posts: 281
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The problem I see with the Mars Direct plan is the amazing level of optimism regarding the logistics. One kink in the supply chain, and you could strand several unfortunate astronauts, and, considering our track record todate with mars landings, that possibility has to be considered.
__________________
"Beauty is not in the face...Beauty is a light in the heart." - Kahlil Gibran
"The greatest happiness of life is the conviction that we are loved; loved for ourselves, or rather, loved in spite of ourselves" - Victor Hugo
"It is noble to be good; it is still nobler to teach others to be good -- and less trouble." - Mark Twain
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