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Huge Mars Colony Eyed by SpaceX Founder Elon Musk

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 Huge Mars Colony Eyed by SpaceX Founder Elon Musk
Unread 2 years agoclass of '10 - away - #1
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Elon Musk, the billionaire founder and CEO of the private spaceflight company SpaceX, wants to help establish a Mars colony of up to 80,000 people by ferrying explorers to the Red Planet for perhaps $500,000 a trip.

In Musk's vision, the ambitious Mars settlement program would start with a pioneering group of fewer than 10 people, who would journey to the Red Planet aboard a huge reusable rocket powered by liquid oxygen and methane.

"At Mars, you can start a self-sustaining civilization and grow it into something really big," Musk told an audience at the Royal Aeronautical Society in London on Friday (Nov. 16). Musk was there to talk about his business plans, and to receive the Society’s gold medal for his contribution to the commercialization of space.

Mars pioneers

Accompanying the founders of the new Mars colony would be large amounts of equipment, including machines to produce fertilizer, methane and oxygen from Mars’ atmospheric nitrogen and carbon dioxide and the planet's subsurface water ice.

The Red Planet pioneers would also take construction materials to build transparent domes, which when pressurized with Mars’ atmospheric CO2 could grow Earth crops in Martian soil. As the Mars colony became more self sufficient, the big rocket would start to transport more people and fewer supplies and equipment. [Future Visions of Human Spaceflight]

Musk’s architecture for this human Mars exploration effort does not employ cyclers, reusable spacecraft that would travel back and forth constantly between the Red Planet and Earth — at least not at first

"Probably not a Mars cycler; the thing with the cyclers is, you need a lot of them," Musk told SPACE.com. "You have to have propellant to keep things aligned as [Mars and Earth’s] orbits aren’t [always] in the same plane. In the beginning you won’t have cyclers."

Musk also ruled out SpaceX's Dragon capsule, which the company is developing to ferry astronauts to and from low-Earth orbit, as the spacecraft that would land colonists on the Red Planet. When asked by SPACE.com what vehicle would be used, he said, "I think you just land the entire thing."

Asked if the "entire thing" is the huge new reusable rocket — which is rumored to bear the acronymic name MCT, short for Mass Cargo Transport or Mars Colony Transport — Musk said, "Maybe."

Musk has been thinking about what his colonist-carrying spacecraft would need, whatever it ends up being. He reckons the oxygen concentration inside should be 30 to 40 percent, and he envisions using the spacecraft’s liquid water store as a barrier between the Mars pioneers and the sun.

A $500,000 ticket

Musk’s $500,000 ticket price for a Mars trip was derived from what he thinks is affordable.

"The ticket price needs to be low enough that most people in advanced countries, in their mid-forties or something like that, could put together enough money to make the trip," he said, comparing the purchase to buying a house in California. [Photos: The First Space Tourists]

He also estimated that of the eight billion humans that will be living on Earth by the time the colony is possible, perhaps one in 100,000 would be prepared to go. That equates to potentially 80,000 migrants.

Musk figures the colony program — which he wants to be a collaboration between government and private enterprise — would end up costing about $36 billion. He arrived at that number by estimating that a colony that costs 0.25 percent or 0.5 percent of a nation’s gross domestic product (GDP) would be considered acceptable.

The United States' GDP in 2010 was $14.5 trillion; 0.25 percent of $14.5 trillion is $36 billion. If all 80,000 colonists paid $500,000 per seat for their Mars trip, $40 billion would be raised.

"Some money has to be spent on establishing a base on Mars. It’s about getting the basic fundamentals in place," Musk said. "That was true of the English colonies [in the Americas]; it took a significant expense to get things started. But once there are regular Mars flights, you can get the cost down to half a million dollars for someone to move to Mars. Then I think there are enough people who would buy that to have it be a reasonable business case."

The big reusable rocket

The fully reusable rocket that Musk wants to take colonists to Mars is an evolution of SpaceX's Falcon 9 booster, which launches Dragon.

"It’s going to be much bigger [than Falcon 9], but I don’t think we’re quite ready to state the payload. We’ll speak about that next year," Musk said, emphasizing that only fully reusable rockets and spacecraft would keep the ticket price for Mars migration as low as $500,000.

SpaceX is already testing what Musk calls a next-generation, reusable Falcon 9 rocket that can take off vertically and land vertically. The prototype, called Grasshopper, is a Falcon 9 first stage with landing legs.

Grasshoper has made two short flights. The first was on Sept. 21 and reached a height of 6 feet (2 meters); the second test, on Nov. 1, was to a height of 17.7 feet (5.4 m). A planned milestone for the Grasshopper project is to reach an altitude of 100 feet (30 m). [Grasshopper Rocket's 2-Story Test Flight (Video)]

"Over the next few months, we’ll gradually increase the altitude and speed," Musk said. "I do think there probably will be some craters along the way; we’ll be very lucky if there are no craters. Vertical landing is an extremely important breakthrough — extreme, rapid reusability. It’s as close to aircraft-like dispatch capability as one can achieve."

Musk wants to have a reusable Falcon 9 first stage, which uses Grasshopper technology, come back from orbit in "the next year or two." He then wants to use this vertical-landing technology for Falcon 9’s upper stage.

Musk hopes to have a fully reusable version of Falcon 9 in five or six years, but he acknowledged that those could be "famous last words."

A rocket stepping stone

Another stepping stone toward the planned reusable Mars rocket is SpaceX’s Falcon Heavy launcher. With a first flight planned for next year from Vandenberg Air Force Base in California, the Heavy is a Falcon 9 that has two Falcon 9 first stages bolted on either side.

Musk expects the Falcon Heavy to launch from Florida's Cape Canaveral eventually. This triple-first-stage rocket will be able to put 116,600 pounds (53,000 kilograms) into a 124-mile (200 kilometers) low-Earth orbit. But the Falcon Heavy is still much smaller than Musk’s fully reusable Mars rocket, which will also employ a new engine.

While Musk declines to state what the Mars rocket’s payload capability will be, he does say it will use a new staged combustion cycle engine called Raptor. The cycle involves two steps. Propellant — the fuel and oxidizer — is ignited in pre-burners to produce hot high-pressure gases that help pump propellant into the engine’s combustion chamber. The hot gases are then directed into the same chamber to aid in the combustion of the propellants.

Because Raptor is a staged combustion engine — like the main engines of NASA's now-retired space shuttle fleet — it is expected to be far more efficient than the open-cycle Merlin engines used by the Falcon 9.

While the Falcon 9’s engines use liquid oxygen (LOX) and kerosene, Raptor will use LOX and methane. Musk explained that "the energy cost of methane is the lowest, and it has a slight ISP [specific impulse] advantage over kerosene and doesn’t have any of the bad aspects of hydrogen." (Hydrogen is difficult to store at cryogenic temperatures, makes metal brittle and is very flammable.)



Last edited by SickaMorStyle; 11-27-2012 at 12:55 PM..
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34 comments for "Huge Mars Colony Eyed by SpaceX Founder Elon Musk"

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Unread 2 years agoclass of '06 - on now - #2
Blah 17 heat pts17 space
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no thanks, i'll stay here on Earth
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Unread 2 years agoclass of '07 - away - #3
pandadays 67 heat pts67 space
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Blah said:
no thanks, i'll stay here on Earth
Agreed. No bad females on mars. No thanks. Pass..



maybe
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Unread 2 years agoclass of '07 - on now - #4
Cartel-Clipz 20 heat pts20 space
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pandadays said:
Agreed. No bad females on mars. No thanks. Pass..



maybe
We can bring them there
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Unread 2 years agoclass of '07 - away - #5
iThink 7 heat pts space
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i'm good here
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Unread 2 years agoclass of '06 - away - #6
1OverJordan24 63 heat pts63 space
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Unread 2 years agoclass of '04 - away - #7
ruff 6 heat pts space
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Wonder how much of a profit you make with $500k a trip using rocket fuel
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Unread 2 years agoclass of '07 - away - #8
wtr1906 30 heat pts30 space
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How long is that trip???

EDIT: nevermind like 6 months

Last edited by wtr1906; 11-27-2012 at 12:47 PM..
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Unread 2 years agoclass of '10 - on now - #9
lboog1423 220 heat pts220 space
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Unread 2 years agoclass of '08 - on now - #10
Arson 82 heat pts82 space
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Cartel-Clipz said:
We can bring them there
why? so they can catch our horrible germs and die? The real idea is open a brothel on mars for rich bastards. Particularly politicians.

Off world hookers bruh, that way they can cheat on their wives and never get caught. You'd be rolling in the money.
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Unread 2 years agoclass of '10 - away - #11
SickaMorStyle 402 heat pts402 space
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this is the same guy thats behind the Tesla car company

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Unread 2 years agoclass of '04 - away - #12
Magnolia 6 heat pts space
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why would anyone go to mars though?

there aint sh*t there
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Unread 2 years agoclass of '05 - away - #13
foshomoney 75 heat pts75 space
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when people live in bubbles they just get bigger and bigger
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Unread 2 years agoclass of '07 - on now - #14
Cartel-Clipz 20 heat pts20 space
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Arson said:
why? so they can catch our horrible germs and die? The real idea is open a brothel on mars for rich bastards. Particularly politicians.

Off world hookers bruh, that way they can cheat on their wives and never get caught. You'd be rolling in the money.
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Unread 2 years agoclass of '12 - away - #15
Whoo da Don  space
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Magnolia said:
why would anyone go to mars though?

there aint sh*t there
There is two Mars..........The one NASA shows us and the one NASA doesn't show us.
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Unread 2 years agoclass of '11 - away - #16
BtMkRs 12 heat pts12 space
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They're trying to leave US alone on earth Before Global Warming REALLY comes
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Unread 2 years agoclass of '06 - away - #17
latereg6 22 heat pts22 space
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Whoo da Don said:
There is two Mars..........The one NASA shows us and the one NASA doesn't show us.
n*ggas love to think that they know something that other people dont know
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Unread 2 years agoclass of '04 - away - #18
Dos-effect 20 heat pts20 space
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Its a tough Job somebody has to do it, colonize Mars, but we need to really be focusing on how to master space time travel instead of sending people to bum fu*k nowhere.......plus it would only be a matter of time before Martians demand to be a seperate planet away from Earth and an intergalatic war starts..........
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Unread 2 years agoclass of '10 - away - #19
GriffMcfly 22 heat pts22 space
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lboog1423 said:



Couldn't say it any better
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Unread 2 years agoclass of '07 - away - #20
thatruest 1 heat pts space
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Whoo da Don said:
There is two Mars..........The one NASA shows us and the one NASA doesn't show us.
Alright, provide the facts that led to this conclusion of yours...
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