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 Posted: Fri Aug 14, 2009 12:49 pm
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Posted: Thu Aug 20, 2009 9:35 am
Mars's core could still be hot we may not see any volcanic activity these days but we do see what could be the results caused by Martian quakes. Unlike quakes on earth these of are not the result of plate tectonics, these quakes would be caused by hot gases migrating out from the core. Is far as I now this is still unproven but landslides have been observed.  sorce picIf their is life active and thriving on mars, in caves, or underground in the habitable zone its unlikely that that life was brought from earth accidentally, its true that microbes can survive the vacuum of space so they should be able to survive on mars but to thrive in an active state is unlikely because these organisms, if they were delivered accidentally, would likely not be conductive to living on the red planet. I'm positive their are organisms that exist on earth in arias similar to Martian environment. And it may be that they could live on Mars too if we brought them there. Or we could genetically engineer simple organisms that would thrive. Aside form that Mars2 was the first space craft to land on Mars in 1971 only 38 years ago, and that means that this seeded organism would have to change the atmosphere with in only 38 years. If their is life its more likely that its been there way before our space craft ever arrived on the scene. Though their is the possibility that life did come form earth millions or billions of years ago, capsulized in rock blasted off the earth and thrown into space by an impact
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M u s t a n g Vice Captain
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Posted: Thu Aug 20, 2009 12:35 pm
Yes if it's Earth-life it could have come from a meteoroid blasted of the Earth millions of years ago. It has been proven that microbial life forms could survive the vacuum of space for decades (long enough for the trip from Earth to Mars). But if this never happened, there is still the possibility that life has been brought trough all those landers and rovers that were sent there. 38 years is well enough for them to have spread all over the planet, especially that they have been landers in lots of different spots on the planet.
Or otherwise if the methane is not for biological activity, it would mean that we do not yet understand Mars' geology (or areology).
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Posted: Mon Oct 12, 2009 2:18 pm
I'm subscribed to one of the best scientific magazines in the world, and a few weeks ago, one of the robots sent to Mars found a clump of dead bacteria. But the most exciting thing about it is that, according to research, they died only a few hundred years ago! Although it is true that a lot can happen in a few hundred years, I still believe that we may not be alone in our solar system!
Also, on Mars, they found a series of tunnels arranged in a very intricate pattern. I know it's hard to believe, but there could be an intelligent civilization living underground on Mars!
I just find intelligent alien organisms so incredibly fasinating!
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Posted: Thu Oct 15, 2009 5:15 pm
I think that there is life on Mars. Even if there is no evidence that there is a mini race of prototypes. I will still and always believe that there is life on Mars except if it blows up (then there would be no Mars).
If that did happen, I'd probably have a lot of other things to worry about (giant meteors and asteriods)!
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Posted: Sat Oct 17, 2009 1:41 pm
Staarre I'm subscribed to one of the best scientific magazines in the world, and a few weeks ago, one of the robots sent to Mars found a clump of dead bacteria. But the most exciting thing about it is that, according to research, they died only a few hundred years ago! Although it is true that a lot can happen in a few hundred years, I still believe that we may not be alone in our solar system! Also, on Mars, they found a series of tunnels arranged in a very intricate pattern. I know it's hard to believe, but there could be an intelligent civilization living underground on Mars! I just find intelligent alien organisms so incredibly fasinating! Do you have any references? Sounds hard to believe indeed... But i've read in the French magazine "Science & Vie" about possible Earth-life on Mars: bacteria that have been accidentally brought to Mars on one of the probes sent there.
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M u s t a n g Vice Captain
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Posted: Mon Jan 25, 2010 12:08 pm
I heard about some new tests that have been done on the meteorite ALH84001 It was in my December issue of astronomy now. They were testing to see whether the carbonate discs and the magnetite in them formed in high temperatures which would give strong evidence that they were formed by geologic processes rather than being biological in origin. I wish I could scan and up load the article I'm way to lazy to spend a lot of time trying to find stuff about it on line let alone type out all the details anyway getting back to what I was talking about, carbonates formed in water are subtly different than those formed in shocked rock super heated by violent impact. First the team ran experiments on a similar carbonate material found on earth called Roxbury Siderite which contains even amounts of manganese and magnesium. after heating the siderite cooled and decomposed into impure magnetites, with uniform abundances of manganese, and wildly fluctuating levels of magnesium which is what would be considered normal.
But in the Martian carbonate discs the magnetite is very pure, if they had formed by decomposition (cooling form a hot state) we would expect them to be impure and this is not the case.
In tiny cross sections carved out of the carbonate disks of ALH84001 a band of a mineral called magnesite could be seen as a white band between two dark magnetite rich bands.
Since this magnesite contains very little iron and is composed mainly of magnesium and a bit of calcium, their is no scenario by which chemically pure magnetite could form from the decomposition of such a carbonate.
The evidence seems to rule out the theory that the carbonate discs and magnetite formed in violent high temperature conditions.
In stead the evidence points to them being formed in nice conditions cooler than 300degrees Celsius and in liquid water.
Its not the smoking gun that will debunk all the criticism but its a good bit of evidence, the research was published in the November 2009 edition of the journal of Geochemical and Meteoritic Society.
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Posted: Fri Jan 29, 2010 2:58 pm
M u s t a n g I heard about some new tests that have been done on the meteorite ALH84001 It was in my December issue of astronomy now. They were testing to see whether the carbonate discs and the magnetite in them formed in high temperatures which would give strong evidence that they were formed by geologic processes rather than being biological in origin. I wish I could scan and up load the article I'm way to lazy to spend a lot of time trying to find stuff about it on line let alone type out all the details anyway getting back to what I was talking about, carbonates formed in water are subtly different than those formed in shocked rock super heated by violent impact. First the team ran experiments on a similar carbonate material found on earth called Roxbury Siderite which contains even amounts of manganese and magnesium. after heating the siderite cooled and decomposed into impure magnetites, with uniform abundances of manganese, and wildly fluctuating levels of magnesium which is what would be considered normal. But in the Martian carbonate discs the magnetite is very pure, if they had formed by decomposition (cooling form a hot state) we would expect them to be impure and this is not the case. In tiny cross sections carved out of the carbonate disks of ALH84001 a band of a mineral called magnesite could be seen as a white band between two dark magnetite rich bands. Since this magnesite contains very little iron and is composed mainly of magnesium and a bit of calcium, their is no scenario by which chemically pure magnetite could form from the decomposition of such a carbonate. The evidence seems to rule out the theory that the carbonate discs and magnetite formed in violent high temperature conditions. In stead the evidence points to them being formed in nice conditions cooler than 300degrees Celsius and in liquid water. Its not the smoking gun that will debunk all the criticism but its a good bit of evidence, the research was published in the November 2009 edition of the journal of Geochemical and Meteoritic Society. Yes. This proves that Mars used to have liquid water, which is a requirement for life as we know it. However it doesn't prove with 100% certainty that there is life on Mars now. We would have to go there and check it out with the proper equipment.
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M u s t a n g Vice Captain
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Posted: Fri Jan 29, 2010 6:12 pm
agreed, I cant wait to see some more images of those Martian caves
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Posted: Thu Feb 18, 2010 5:57 am
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M u s t a n g Vice Captain
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Posted: Thu Feb 18, 2010 8:10 am
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