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... the microbially mediated biosignatures can be proposed microbial mediation by iron oxidising bacteria on Mars.'
originally posted by: mirageman
a reply to: KilgoreTrout
Well I am no fan of that paper either. But just to clarify the announcement.
It does actually confirm in the first line of the report this an entirely different discovery relating to meteorite ALH-77005.
originally posted by: mirageman
Somehow I don't think they will be sending Zondo and Tom to Mars to find more samples! Sadly.
originally posted by: ConfusedBrit
... the microbially mediated biosignatures can be proposed microbial mediation by iron oxidising bacteria on Mars.'
Traffic cops should ask suspected drink-drivers to read out that phrase.
The brown signature of melts and olivine could be caused by magnetotactic bacteria (Hoffmannet al., 2008), which has 0.4-0.7 wt.% MnO (Ikeda, 1994) as bioessential element which support our scenario. The low Ca pyroxenes also contain 0.4-0.6 wt.% MnO (Ikeda, 1994). The dark melt has 19-26 wt.% FeO and 0.4-0.7 wt.% MnO (Edmun-sonet al., 2002), which are bioessential elements of iron oxidizing bacteria. The P2O5 content in melt pockets varies between 3-5 wt.% (by melt of apatite and whithlockite) (Calvin & Rutherford, 2005), which is a essential chemical component for microbial activity and could also be consumed as nutrient for iron oxidizing bacteria. The mentioning of signature for Martian life was mentioned by Mikouchiet al.(1997), who found PAHs and magnetotactic nanobacteria structured microfossils with biomineral stroilite pyrite and carbonate in ALH-84001 meteorite. Our recent results fit well with their interpretation, similarly to Mikouchiet al.(1997), these features were found in melt pocket and near pyrite - troilite grains of ALH-77005 meteorite: organic material, morphology, biogenic minerals were found. The troilite grains contain 0.04 wt.% Zn based on Ikeda (1994), which could solve as nutrient for iron oxidizing bacteria.
Fortunately NASA, and their numerous national and academic partners, are more interested in education than entertainment so actual fact based research into life here and elsewhere and how that all plays into the system is carrying on regardless while they make that biscuit they're standing around soggy so one of them can eat it.
originally posted by: KilgoreTrout
a reply to: mirageman
Or soonish. Some of those guys are clocking on in years and may require the services promoted by Pele to even get started.
Today, rock 84001 speaks to us across all those billions of years and millions of miles. It speaks of the possibility of life. If this discovery is confirmed, it will surely be one of the most stunning insights into our universe that science has ever uncovered. Its implications are as far-reaching and awe-inspiring as can be imagined. Even as it promises answers to some of our oldest questions, it poses still others even more fundamental.
'It works like a Brotherhood, then, what are the parameters?'
'Ah, that's an interesting question,' said Kit, perking up. 'I think they belong to a project, but it's a small project, not a big one.' 'Its a small project made out to look like a big one?' 'Yes. And its hidden in a contractor's basement somewhere, not in the government. And all the Brothers, come to think of it, are people in their seventies, older gentlemen.'...
'What is their initiation process?' I asked. 'Apparently you get invited to go into the desert, near Sandia, in New Mexico, and there you see your first UFO,' Kit answered...'I heard the MD in the Brotherhood passed away recently, I was supposed to succeed him,' Kit added.
'Somehow it didn't happen.' 'You must not have passed the test,' said D'Amato. 'How do you think the information works?' 'You'd better ask Jacques,' said Kit. 'He's the expert on that.' We spent the next half hour discussing control systems...
he also is expressing some doubt that it will actually happen.