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 Posted: Thu May 03, 2007 12:43 am
http://news.bbc.co.uk/2/hi/science/nature/6617851.stm
A new method of scanning showed much more water(Ice) on mars than previously believed.
On this note I would like people to weigh in on their opinions on the following.
1. Do you believe there was ever life on mars?
2. Do you believe that there may still be some life somewhere on mars (even if it is just niche microbes).
3. Do you believe it is possible to terraform mars and make it habitable by humans. A lot of obstacles here, not the least of which is the lack of a magnetic field to divert solar radiation, has anyone found a plan to address this?
Links to a few pages with some relavent information for evidence of life on mars. Any of our geology people care to weigh in here?
http://www2.jpl.nasa.gov/snc/
http://www.chron.com/disp/story.mpl/space/4096212.html
lots more links at the bottom of the first link
Terraforming links
http://science.howstuffworks.com/terraforming.htm
http://www.users.globalnet.co.uk/~mfogg/zubrin.htm
http://en.wikipedia.org/wiki/Terraforming_mars
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Posted: Thu Jun 07, 2007 8:22 am
1. Do you believe there was ever life on mars?
I believe that there was once life on Mars, though it is hard to say. The life could've been from long ago very short after the protoplanets further consolidated into present-day planets. Probably during that time, some sort of life would have evolved long enough before a cataclysm such as a meteor strike ( Like the K/T event) could've striked Mars. The possible aftermath was a wash of water and dust that eventually settled, with the water at the poles freezing up. Last, the dust overlapped overtime, covering the possible lifeforms very deep. That probably explains why there were negative results from the Viking I & II spacecraft as the drills weren't long enough to pierce the lifeform bodies at the bottom.
2. Do you believe that there may still be some life somewhere on mars (even if it is just niche microbes).
Again, I doubt it. Mars is currently inhabital for us to live on Mars. However, I do agree that microbes probably exist even today.
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Posted: Thu Jun 07, 2007 6:57 pm
1) I do believe there was life on Mars at one point.
2) There may still be life on Mars today. Since we can't really probe that deep underground, there may be stuff living in the soil or maybe deep under the surface, and they have no reason to come up. Someone said it's hostile for us... Martian life is not life like ours, so there is no reason to think that if it was there it wouldn't have found a way to survive. It might not have DNA like we do and may not be susceptible to radiation like we are.
3) We may be able to terraform Mars, but not with our current technology. If you've ever played the game Outpost, this is what I think we may be able to do with today's technology.
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Posted: Fri Jun 08, 2007 10:48 am
It will never be possible to terraform mars unless we can some how generate an electromagnetic field around the entire planet to keep in the atmosphere. I think Mar's core has frozen and it no longer have volcanic activity and only has a very weak magnetic field. Without an atmosphere the temperature changes from very hot to very cold.
I bet there was life on mars at one point and if you count bacteria, then theres still some there. Wasn't there a mars meteorite that landed here and they found bacteria on it? Im sure its all over the place up there.
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Posted: Sat Jun 09, 2007 1:19 am
Well I have seen articles about fossil evidence of micro-organisms one mars, so I would say that there at least was life on mars, is there a chance there may yet be life on mars, even if only more micro-organisms, I would say yes and I note the Water bear, now for those that don't know what that is, it is not a bear that lives in water, rather it is a single cell organism, that's shape resembles a bear, and is capable of surviving even the cold of space, at it need to basically come back to life, is water. So then if mars has ice, it can have water, hence it could have life similar to what I just described, as for the terraforming, I think it can be done, once we get certain technologies developed more of course.
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Posted: Sat Jun 09, 2007 7:32 am
I think life on Mars may have existed at one time.
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Posted: Wed Jun 13, 2007 11:34 am
There was something about this on the 2nd episode of "The Universe" on the History channel. I wasn't paying close attention however because that episode was a little boring and I ended up changing the channel and watching SpongeBob redface
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Posted: Fri Feb 15, 2008 4:03 am
I think there was, and there still is life on mars. Maybe there is some kind of secret passage where living beings live underground so not to be detected, or I'm just being over-imaginative... sweatdrop
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