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[TOI] Space pioneer to send 80,000 people to Mars - Page 14

post #131 of 139
Yeah, no.
post #132 of 139
I love how some of you know it can't be done, giving details why. As if they don't have a host of some of the smartest people on earth working on what it will take and if it can even be done. I'm sure if there was something that makes this even remotely impossible they wouldn't even be this far along in the planning stages. I'm more talking about the Mars One endeavor than the one in this article, as I haven't researched it any. This one may be way too far fetched, at least economically for now, but Mars One seems to at least have it worked out as far as feasibility.

I just find it funny how we always have all these self-proclaimed experts in so many fields on here telling the real experts what they are doing wrong and what they are doing can't be done. I truly believe the Mars One mission could happen, as long as funding stays strong. All using today's proven technology. This articles mission, I'm not so sure as there isn't near as much information on it.
post #133 of 139
Quote:
Originally Posted by HK_47 View Post

Mars One:

Space X :

Not sure if you're supporting/contradicting my comment, but regardless, Mars One has backers/sponsors, has already elaborated their business plan, has figured how it'll get astronauts and the schedule for their hiring/training/sending, and developed a plan for how to develop the colony. It isn't using sensational words like "lets send 80,000 people to Mars", they've explained the timeline: 4 astronauts will go in first to establish the base colony, and each subsequent shipment will expand the colony with more pods, building on what there was before. It's much more realistic.
post #134 of 139
Quote:
Originally Posted by crazyap7 View Post

Quote:
Originally Posted by HK_47 View Post

Mars One:

Space X :

Not sure if you're supporting/contradicting my comment, but regardless, Mars One has backers/sponsors, has already elaborated their business plan, has figured how it'll get astronauts and the schedule for their hiring/training/sending, and developed a plan for how to develop the colony. It isn't using sensational words like "lets send 80,000 people to Mars", they've explained the timeline: 4 astronauts will go in first to establish the base colony, and each subsequent shipment will expand the colony with more pods, building on what there was before. It's much more realistic.
They seem to know what they're doing quite good, actually. And they're also using SpaceX components.
post #135 of 139
Quote:
Originally Posted by DMills View Post

Just plain dumb. at minimum its over-enthusiastic
It takes 8.5 months just to get there. ~300 million miles
How are they supposed to carry the food for 8.5 months in a damn capsule
(13 tons of water 200 grocery carts of food and 6000 scuba tanks)
You'd need a vehicle so large it'd have to be assembled in space over years - and once assembled,
its engine has to accelerate it by 9000 mph to get out of orbit to go to mars (insert tons of propellant & $)
To assemble one that large in space would take 27 space shuttle flights and 4 Soyuz trips--just for the PARTS
(add crew rotations and their food, water, oxygen, spares)
To get a fully assembled craft that large into LEO would need a rocket weighing as much as an aircraft carrier
-- 85,000 ton rocket? compared to the 3,350 tons of the Apollo rocket
Mars orbits the sun so much more slowly then Earth
that you could only send vehicles thru the transfer orbit once every 26 months
If you wanted to get BACK to Earth after reaching Mars,
you'd have to wait on Mars for about 15 months to get back to the right orbit orientation for a return trip--32 months round trip
Dealing with just 6 months of near-weightlessness in LEO degrades eyesight
from high fluid pressure in the eyeball and has given people irreversible eyesight damage
Oh yeah, and pray that nothing breaks on the way, and your plants on Mars don't die from unforeseen chemical problems :-)
No thanks, have fun getting radiated, losing bone mass and muscles,
and starving because a single dust storm killed your crops,
I'll play sc2 and wait for the first hyperdrive to go to a new planet

I'm glad you're not in charge of NASA, otherwise they'd have given up on going to the moon before we knew it existed.
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post #136 of 139
I do like this idea of going to Mars, but I'm not sure we possess the technology necessary to launch a successful and MEANINGFUL mission. It's a wonderful idea, but I think we have a lot longer than just a few years before we can actually pull this off, and do so convincingly.
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post #137 of 139
Quote:
Originally Posted by Akheton View Post

Not in his or any of our lifetimes. We'll hopefully be around for a manned mission, but the jump from manned mission to sustainable colony is one that we wouldn't be able to do with the moon, let alone mars.
we landed on the moon in 1969, that was over 40 years ago, we have had the technology to send a manned mars mission for decades, no point in sending 3-5 people to mars with no return home, so colony is the easiest option. mars has soil we can grow earth plants in, so a sustainable colony is possible there. the moon has no atmosphere, the gravity is too low and the soil wont sustain crops... so your right, it isn't possible on the moon, and its pointless to try there rolleyes.gif
Quote:
Originally Posted by crazyap7 View Post

Not sure if you're supporting/contradicting my comment, but regardless, Mars One has backers/sponsors, has already elaborated their business plan, has figured how it'll get astronauts and the schedule for their hiring/training/sending, and developed a plan for how to develop the colony. It isn't using sensational words like "lets send 80,000 people to Mars", they've explained the timeline: 4 astronauts will go in first to establish the base colony, and each subsequent shipment will expand the colony with more pods, building on what there was before. It's much more realistic.
don't get me wrong I think mars one is a good idea, their goals realistic too, on the other hand Space X has billions of dollars, as outrageous as 80,000 people sounds, if they were to pull it off it would completely overshadow Mars 1. if Mars One gets there first they will make history, but it will be a tiny outpost compared to the "city" Space X is Planning.
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post #138 of 139
You guys are probably looking at what can go wrong now, but this guy has 2 decades to make sure everything is safe and civilization will flourish.

I can't wait to hear the new countries of mars haha.

I for one, would want to go to mars myself. it'd be interesting! smile.gif
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post #139 of 139
Quote:
Originally Posted by Crazy9000 View Post

The problem with wind power is that it's inconsistent. You can have a calm day and get almost no power at all- making you need a backup that can handle your peak power output. Wind power would only be used if you wanted to offload the load when you do have the wind... I don't imagine they would bother with wind power if they had a good nuclear setup. Especially considering all materials will have to come from Earth for quite awhile.

Wind turbines would work well in conjunction with solar. Wind is typically only blowing during dust storms, and during dust storms, solar doesn't work too well.

Regardless, some method of storing power is going to be needed. Chemical batteries are too heavy for the amount that would likely be required, so I'd expect fuel cells would be used, probably the same ones that would provide some of the power for the craft that carried the expedition to Mars.
Quote:
Originally Posted by DMills View Post

It takes 8.5 months just to get there. ~300 million miles

There are rocket technologies that exist now that could reduce the trip to about 30-60 days.
Quote:
Originally Posted by DMills View Post

How are they supposed to carry the food for 8.5 months in a damn capsule
(13 tons of water 200 grocery carts of food and 6000 scuba tanks)
You'd need a vehicle so large it'd have to be assembled in space over years - and once assembled,
its engine has to accelerate it by 9000 mph to get out of orbit to go to mars (insert tons of propellant & $)
To assemble one that large in space would take 27 space shuttle flights and 4 Soyuz trips--just for the PARTS
(add crew rotations and their food, water, oxygen, spares)
To get a fully assembled craft that large into LEO would need a rocket weighing as much as an aircraft carrier
-- 85,000 ton rocket? compared to the 3,350 tons of the Apollo rocket

Firstly, air and water are recycled. People have been in space for longer than 9 months at a time while living on ~20 pounds of water and two scuba tanks worth of supplimental air. Not that it will take 9 months to reach Mars if this plan ever gets off the ground.

The rest of your calculations are based on a string of faulty assumptions.
Quote:
Originally Posted by jsc1973 View Post

None of us will live to see the day when Mars is colonized.

I strongly suspect most of us will live to see Mars colonized. I'd put serious money on it in fact.

Average age of an OCN member is about 20, and barring any major catastrophe, the average life expectancy of these people is going to be in the 90 year range.

We had the technology to put people on Mars 10+ years ago. 20 years from now, it may well be viable for a NGO to do so reliably. 50 years after that, I damn well expect there to be a permanent human presence.
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