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[CBS]Water discovered in Mars surface layer

post #1 of 58
Thread Starter 
http://www.cbsnews.com/8301-205_162-57604814/water-discovered-in-mars-surface-layer/
Quote:
"We now know there should be abundant, easily accessible water on Mars," Laurie Leshin, dean of science at Rensselaer Polytechnic Institute, said in a press release. Leshin is the lead author of a study explaining Curiosity's findings published today in the journal Science.

"When we send people, they could scoop up the soil anywhere on the surface, heat it just a bit, and obtain water," Leshin said.
I hope this brings some funding back to NASA!
 
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post #2 of 58

Not 100% related to the topic but I fail to understand the reason why there must be water in a planet for that planet to have living organisms or aliens if you will... Many scientists just write off life on a planet if there isn't water.

 

Can't other organisms have different means of survivaiL?

 

back on topic, I wish instead of fighting each other, we would attempt on exploring the universe further. Hopefully this news can do that.

post #3 of 58
Nice. Saw in on SciShow earlier. Great news, though I wonder, did we not have a way to know that before sending Curiosity there?
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post #4 of 58
Thread Starter 
I think we're trying to find out if it can sustain human life. We seem to be trying to do our planet in.
 
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post #5 of 58
Quote:
Originally Posted by iARDAs View Post

Not 100% related to the topic but I fail to understand the reason why there must be water in a planet for that planet to have living organisms or aliens if you will... Many scientists just write off life on a planet if there isn't water.

Can't other organisms have different means of survivaiL?

back on topic, I wish instead of fighting each other, we would attempt on exploring the universe further. Hopefully this news can do that.

It is possible. The problem for that theory is that the whole universe uses the same laws for physics. We know how to look for something we know. It is not about believing there is only one way; it's that we cannot search for something we don't understand.
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post #6 of 58
Quote:
Originally Posted by iARDAs View Post

Not 100% related to the topic but I fail to understand the reason why there must be water in a planet for that planet to have living organisms or aliens if you will... Many scientists just write off life on a planet if there isn't water.

Can't other organisms have different means of survivaiL?

back on topic, I wish instead of fighting each other, we would attempt on exploring the universe further. Hopefully this news can do that.

Yeah I don't think we think about how different such life could be. It could be so different that we don't even have the means to perceive it at all. Water on Mars is good news however, in that it Mars is now a little bit more suitable for colonisation. I wonder if it is exactly the same as water on Earth though, or if once they start drinking it they start getting some kind of weird illness....
post #7 of 58
Quote:
Originally Posted by iARDAs View Post

Can't other organisms have different means of survivaiL?

I think a lot of people assume that since our planet developed life in a particular way, other planets would need to develop under very similar circumstances in order to support life.

Which could be accurate, or totally false. I like to think that there are infinite possibilities, considering how incomprehensibly large the universe is.
    
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post #8 of 58
Quote:
Originally Posted by iARDAs View Post
 

Not 100% related to the topic but I fail to understand the reason why there must be water in a planet for that planet to have living organisms or aliens if you will... Many scientists just write off life on a planet if there isn't water.

 

Can't other organisms have different means of survivaiL?

 

back on topic, I wish instead of fighting each other, we would attempt on exploring the universe further. Hopefully this news can do that.

With our current knowledge, no. Water is required for most (pretty much all) chemical processes in organisms. Proteins, nucleic acids, lipids, etc... all depend on water. 

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post #9 of 58
Quote:
Originally Posted by iARDAs View Post

Not 100% related to the topic but I fail to understand the reason why there must be water in a planet for that planet to have living organisms or aliens if you will... Many scientists just write off life on a planet if there isn't water.

Can't other organisms have different means of survivaiL?

back on topic, I wish instead of fighting each other, we would attempt on exploring the universe further. Hopefully this news can do that.

Life and chemistry is so complex that it is virtually impossible to determine what other possible methods there are. It is much easier to know the end result and trace back to the beginning than it is to start at the beginning and figure out what the end result would be.

There are millions upon millions of different ways in which atoms and energy could interact, and only maybe 5 of them would result in viable lifeforms. Therefore, it is much easier and more productive to search based on what we know is possible rather than to waste our time on a 1 in a million possibility. If an accidental discovery is made, we change our viewpoints then. Such is the way of science.

I doubt this news would do anything to change things. Conflicts are almost always over resources, and Mars is too far away to get resources from. In addition, we don't even know what resources are available on Mars.
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post #10 of 58
i know that most chemical processes involve liquids/fluids but not necessarily water
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