View Profile: Don J - Cosmoquest Forum

Yesterday, 06:28 PM

Don J replied to a thread Mars Soil Resembles Veggie-Garden Dirt, Lander Finds in Life in Space

Here the explanation about the presence of these complex organic compounds discovered on Wild 2 including how they were produced within the solar...

152 replies | 3758 view(s)

2013-May-18, 03:20 PM

Don J replied to a thread Mars Soil Resembles Veggie-Garden Dirt, Lander Finds in Life in Space

Other study mention the possibly that one inch below the surface is good enough for UV protection... No atmosphere on Wild2.The possibility that...

152 replies | 3758 view(s)

2013-May-18, 07:27 AM

Don J replied to a thread Mars Soil Resembles Veggie-Garden Dirt, Lander Finds in Life in Space

All these space bodies including the Moon have zero atmosphere and are naturally sterilized by the harsh cosmic space radiation environment. ... ...

152 replies | 3758 view(s)

2013-May-18, 06:40 AM

Don J replied to a thread Mars Soil Resembles Veggie-Garden Dirt, Lander Finds in Life in Space

That possibility was effectively in study in 2005...note that New technology is needed for several functions... Planetary protection technology for...

152 replies | 3758 view(s)

2013-May-18, 04:12 AM

Don J replied to a thread Mars Soil Resembles Veggie-Garden Dirt, Lander Finds in Life in Space

Note that the complete sterilization was achieved with Viking to the point that the Viking LR life detection data are the only data that will ever be...

152 replies | 3758 view(s)

2013-May-17, 07:17 PM

Don J replied to a thread Mars Soil Resembles Veggie-Garden Dirt, Lander Finds in Life in Space

The problem with such fragile electronic equipments is that it is impossible to use the same very high level of sterilization procedure used on...

152 replies | 3758 view(s)

2013-May-16, 07:04 PM

Don J replied to a thread Mars Soil Resembles Veggie-Garden Dirt, Lander Finds in Life in Space

That is not what I said at all.What i said is if all the Viking's instruments for detecting life on Mars have worked properly and that would have...

152 replies | 3758 view(s)

2013-May-16, 01:28 AM

Don J replied to a thread Mars Soil Resembles Veggie-Garden Dirt, Lander Finds in Life in Space

In other words and as i have suspected even if the GCMS would have detected organic matter on Mars this would not have be enough combined with the...

152 replies | 3758 view(s)

2013-May-15, 06:37 PM

Don J replied to a thread Mars Soil Resembles Veggie-Garden Dirt, Lander Finds in Life in Space

Living microorganisms caused the positive LR results in all the Earth samples tested which was followed by the control tests destined to kill the...

152 replies | 3758 view(s)

2013-May-15, 02:03 AM

Don J replied to a thread Mars Soil Resembles Veggie-Garden Dirt, Lander Finds in Life in Space

That is a well know fact that before life was able to develop on Earth that organic matter compounds and some other complex molecules were brought...

152 replies | 3758 view(s)

2013-May-14, 06:32 PM

Don J replied to a thread Mars Soil Resembles Veggie-Garden Dirt, Lander Finds in Life in Space

It is more than a speculation but an affirmation that Mars could have supported a habitable environment......

152 replies | 3758 view(s)

2013-May-14, 04:16 AM

Don J replied to a thread Mars Soil Resembles Veggie-Garden Dirt, Lander Finds in Life in Space

Organic carbon... Probably in the range of Antarctic soil No.726 containing 0.03% organic carbon- which the GCMS was unable to detect from tests...

152 replies | 3758 view(s)

2013-May-13, 03:17 AM

Don J replied to a thread Mars Soil Resembles Veggie-Garden Dirt, Lander Finds in Life in Space

However, such robotic mission to collect and return a sample of Martian soil to Earth is planned by Nasa but this event will probably happen...

152 replies | 3758 view(s)

2013-May-13, 01:24 AM

Don J replied to a thread Mars Soil Resembles Veggie-Garden Dirt, Lander Finds in Life in Space

Why the need of sending a human mission to Mars? Lets suppose that the Viking LR positive life detection results is backed by a positive detection...

152 replies | 3758 view(s)

2013-May-12, 06:34 PM

Don J replied to a thread Mars Soil Resembles Veggie-Garden Dirt, Lander Finds in Life in Space

You seemed well aware about some aspect of this "ban"some posts ago...So whatever the "ban" word be officially used by NASA or not the result is...

152 replies | 3758 view(s)

2013-May-11, 07:35 PM

Don J replied to a thread Mars Soil Resembles Veggie-Garden Dirt, Lander Finds in Life in Space

I suppose that as a wise men he will wait for all the tests planned for the mission and verifications been done before making any comments. However...

152 replies | 3758 view(s)

2013-May-11, 12:31 AM

Don J replied to a thread Mars Soil Resembles Veggie-Garden Dirt, Lander Finds in Life in Space

The thing you forgot to mention is that the control sample was used after the LR instrument detected a positive result on a sample at Martian...

152 replies | 3758 view(s)

2013-May-10, 03:10 AM

Don J replied to a thread Mars Soil Resembles Veggie-Garden Dirt, Lander Finds in Life in Space

Sorry, for the lack of precision.That was in reply to that sentence that i split in two part... My point is that the paper demonstrated that ...

152 replies | 3758 view(s)

2013-May-10, 12:41 AM

Don J replied to a thread Mars Soil Resembles Veggie-Garden Dirt, Lander Finds in Life in Space

If you look carefully at the study you will notice that the Earth sample of (Mars like soil) from the Chilian Atacama desert containing 32 +or -...

152 replies | 3758 view(s)

2013-May-09, 02:01 PM

Don J replied to a thread Mars Soil Resembles Veggie-Garden Dirt, Lander Finds in Life in Space

The Journal Of Geophysical Research make it clear that it is organic carbon. http://www.earth.northwestern.edu/people/seth/351/mckay.viking.pdf...

152 replies | 3758 view(s)

2013-May-08, 03:26 AM

Don J replied to a thread Mars Soil Resembles Veggie-Garden Dirt, Lander Finds in Life in Space

Very unlikely, proof of that is that Viking was equipped with a third life detection instrument the Pyrolictic Release (PR)which detected that...

152 replies | 3758 view(s)

2013-May-07, 03:20 AM

Don J replied to a thread Mars Soil Resembles Veggie-Garden Dirt, Lander Finds in Life in Space

The reason is that the GCMS was set to detect organic matter most scientists (still) believe exist on Mars (from meteoric impacts and infalls of...

152 replies | 3758 view(s)

2013-May-05, 08:21 PM

Don J replied to a thread Mars Soil Resembles Veggie-Garden Dirt, Lander Finds in Life in Space

Dare to explain more about what you mean about "flawed principle"? No,that is the insensibility of the GCMS (organic matter detection instrument)...

152 replies | 3758 view(s)

2013-May-04, 03:28 AM

Don J replied to a thread Mars Soil Resembles Veggie-Garden Dirt, Lander Finds in Life in Space

A second attempt at life detection on Mars is inevitable which will give positive results(again) and that will lead to a big dilemma about a collect...

152 replies | 3758 view(s)

2013-May-03, 04:28 AM

Don J replied to a thread Mars Soil Resembles Veggie-Garden Dirt, Lander Finds in Life in Space

The Likelihood of Methane-producing Microbes on Mars.... ............ European Space agency article...

152 replies | 3758 view(s)

2013-May-03, 03:08 AM

Don J replied to a thread Mars Soil Resembles Veggie-Garden Dirt, Lander Finds in Life in Space

Do you have any links about those empirical evidence tested in laboratory which produce the same results detected by the LR on Mars? The reason...

152 replies | 3758 view(s)