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Liquid water exists on Mars, boosting hopes for life there, NASA says

Kirran

Kirran

ॐ
Premium Member
I'd just like to raise a point I often do: while certainly a planet such as Mars, or indeed more Earth-like worlds further afield, is a fertile ground for habitation using sufficiently advanced technologies, by far the most viable and straightforward off-Earth settlement will constitute the mining of asteroids to produce habitats along the lines of Stanford Toruses, O'Neill Cylinders and a variety of other designs which rotate so as to simulate gravity using centripetal force. It seems very likely to me that ultimately the vast majority of the human population will dwell in such as these, although I am sure a hefty minority of planet-dwellers will persist.
 
Quetzal

Quetzal

A little to the left and slightly out of focus.
Premium Member
Kirran said:
I'd just like to raise a point I often do: while certainly a planet such as Mars, or indeed more Earth-like worlds further afield, is a fertile ground for habitation using sufficiently advanced technologies, by far the most viable and straightforward off-Earth settlement will constitute the mining of asteroids to produce habitats along the lines of Stanford Toruses, O'Neill Cylinders and a variety of other designs which rotate so as to simulate gravity using centripetal force. It seems very likely to me that ultimately the vast majority of the human population will dwell in such as these, although I am sure a hefty minority of planet-dwellers will persist.
Click to expand...
Yeah, if you could go ahead and break down that huge run-on sentence into smaller, bite sized ideas that we could talk about, that would be great.
 
Demonslayer

Demonslayer

Well-Known Member
Kirran said:
I'd just like to raise a point I often do: while certainly a planet such as Mars, or indeed more Earth-like worlds further afield, is a fertile ground for habitation using sufficiently advanced technologies, by far the most viable and straightforward off-Earth settlement will constitute the mining of asteroids to produce habitats along the lines of Stanford Toruses, O'Neill Cylinders and a variety of other designs which rotate so as to simulate gravity using centripetal force. It seems very likely to me that ultimately the vast majority of the human population will dwell in such as these, although I am sure a hefty minority of planet-dwellers will persist.
Click to expand...

Interesting theory, but aren't the orbits of asteroids too variable to support life?
 
Theweirdtophat

Theweirdtophat

Well-Known Member
I wonder if Mars was terraformed and people lived on it, would they live longer? Doesn't it take longer for Mars to circle the sun so would humans there have an extended lifespan?

I wish it was terraformed so 3 billion could move there. Whether a meteor hits Earth or not, we are way overpopulated and need more space.
 
Quetzal

Quetzal

A little to the left and slightly out of focus.
Premium Member
Theweirdtophat said:
I wonder if Mars was terraformed and people lived on it, would they live longer? Doesn't it take longer for Mars to circle the sun so would humans there have an extended lifespan?

I wish it was terraformed so 3 billion could move there. Whether a meteor hits Earth or not, we are way overpopulated and need more space.
Click to expand...
My guess is environmental factors would actually limit our lifespan while we evolved to accept them.
 
Kirran

Kirran

ॐ
Premium Member
Demonslayer said:
Interesting theory, but aren't the orbits of asteroids too variable to support life?
Click to expand...

If you're within a habitat, that's very dealable :)

Solar/nuclear to provide heating and lighting, insulation to keep radiation out and heat in (we already have solid concepts for this stuff), a live-in life support system composed of plants used for agriculture, ornamentation and purely for this purpose. And in any case, orbits can be adjusted, the early habitats won't be so huge as to not be manoeuvrable.
 
C

columbus

yawn <ignore> yawn
Quetzal said:
Why should we stop planning, creating and dreaming? Should we stop all of that until you feel we are ready? Not a chance!
Click to expand...

You keep changing the subject. One post it is a permanent manned mission to Mars. Then it is "planning, creating, and dreaming".

Let's take a vote. There are 7 billion human beings. Let them all choose between:
1) Spend a trillion dollars on a Mars mission
2) Spend a trillion dollars on safe drinking water for everyone.

Let's see what the entire human family decides.
Tom
 
Theweirdtophat

Theweirdtophat

Well-Known Member
Quetzal said:
My guess is environmental factors would actually limit our lifespan while we evolved to accept them.
Click to expand...

It is possible. I know of a book that talked about it. It's a book but it's possible for this to happen. An alien race who lived for over a hundred thousand years due to living on a planet that circled every few thousand years but when they came to Earth, the gravity and environment disturbed their sleep, their body and they aged faster due to being on Earth, and it's possible the opposite can happen if we lived on Mars, even though Humans would probably live longer.
 
Demonslayer

Demonslayer

Well-Known Member
columbus said:
You keep changing the subject. One post it is a permanent manned mission to Mars. Then it is "planning, creating, and dreaming".

Let's take a vote. There are 7 billion human beings. Let them all choose between:
1) Spend a trillion dollars on a Mars mission
2) Spend a trillion dollars on safe drinking water for everyone.

Let's see what the entire human family decides.
Tom
Click to expand...

Why that false choice? Do we have to solve every single problem on the Earth so that we are living in Utopia before we explore Mars?
 
Quetzal

Quetzal

A little to the left and slightly out of focus.
Premium Member
columbus said:
You keep changing the subject. One post it is a permanent manned mission to Mars. Then it is "planning, creating, and dreaming".

Let's take a vote. There are 7 billion human beings. Let them all choose between:
1) Spend a trillion dollars on a Mars mission
2) Spend a trillion dollars on safe drinking water for everyone.

Let's see what the entire human family decides.
Tom
Click to expand...
What kind of comparison is that? Can't throw mud at me for anything if you are trying to compare funds regarding space exploration to drinking water.
 
C

columbus

yawn <ignore> yawn
Demonslayer said:
Why that false choice? Do we have to solve every single problem on the Earth so that we are living in Utopia before we explore Mars?
Click to expand...

Like @Quetzal, you are moving the goalposts.

How about we just get a grip on the problems we already have before we create new ones.

We needn't fix absolutely everything before we go to Mars, in person. But there are some very good moral reasons to postpone that until the worst human problems are dealt with.
Tom
 
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