XPost: sci.space.policy, sci.physics
From: fjmccall@gmail.com
Serigo wrote:
>On 10/11/2016 7:51 PM, Alain Fournier wrote:
>> On Oct/11/2016 at 8:19 PM, Serigo wrote :
>>> On 10/11/2016 6:10 PM, Jeff Findley wrote:
>>>> In article , invalid@invalid.com says...
>>
>>>>
>>>>> no food, no water, no air.
>>>>
>>>> There is a bit of water on Mars (e.g. polar regions)
>>>
>>> conjecture, not proven and so little, unusable.
>>
>> Well, let's say it is a very strong conjecture.
>
>but very little of it.
>
Wrong again, bucko. There are trillions of acre-feet of water
available as ices on Mars.
>>
>>>> and again a CO2
>>>> atmosphere. Food could be grown.
>>>
>>> all moisture would leave the plant.
>>> Not enough CO2 or atmosphereic pressure to support any plants.
>>> Radiation will kill it off in a few years.
>>
>> You would do so in pressurized greenhouses. It can be done.
>>
>
> the greenhouse would be the equivelent of a large tank and the light
>would be dim due to outside dust.
>
Wrong.
>
>What atmosphere would you use ?
>
Whatever one I wanted.
>
>you take up N2, must have that for breathing anyway.
>
Really? You think we breath NITROGEN? Uh, no. We just use the
oxygen.
>
>Plants cannot live on CO2 alone. They get their bulk from more solid
>substances like water and organic matter. This organic matter comes from
>decomposing plants and animals or from man made fertilizers.
>
So?
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