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Life on mars proven in 1976?

 
GoldSolace
03/29/2005 09:02 PM
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Life on mars proven in 1976?
"6 Viking´s methane

JULY 20, 1976. Gilbert Levin is on the edge of his seat. Millions of kilometres away on Mars, the Viking landers have scooped up some soil and mixed it with carbon-14-labelled nutrients. The mission´s scientists have all agreed that if Levin´s instruments on board the landers detect emissions of carbon-14-containing methane from the soil, then there must be life on Mars.

Viking reports a positive result. Something is ingesting the nutrients, metabolising them, and then belching out gas laced with carbon-14."

Anyone hear about this?

So makes one wonder....
GoldSolace
12/08/2005 10:15 AM
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Re: Life on mars proven in 1976?
Part II

"So why no party?

Because another instrument, designed to identify organic molecules considered essential signs of life, found nothing. Almost all the mission scientists erred on the side of caution and declared Viking´s discovery a false positive. But was it?

The arguments continue to rage, but results from NASA´s latest rovers show that the surface of Mars was almost certainly wet in the past and therefore hospitable to life. And there is plenty more evidence where that came from, Levin says. "Every mission to Mars has produced evidence supporting my conclusion. None has contradicted it."

Levin stands by his claim, and he is no longer alone. Joe Miller, a cell biologist at the University of Southern California in Los Angeles, has re-analysed the data and he thinks that the emissions show evidence of a circadian cycle. That is highly suggestive of life.

Levin is petitioning ESA and NASA to fly a modified version of his mission to look for "chiral" molecules. These come in left or right-handed versions: they are mirror images of each other. While biological processes tend to produce molecules that favour one chirality over the other, non-living processes create left and right-handed versions in equal numbers. If a future mission to Mars were to find that Martian "metabolism" also prefers one chiral form of a molecule to the other, that would be the best indication yet of life on Mars. "
Mister Obvious
12/08/2005 10:15 AM
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Re: Life on mars proven in 1976?
I never heard about it.

Interesting...
idol harobed
12/08/2005 10:15 AM
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Re: Life on mars proven in 1976?
"JULY 20, 1976."

15 days before my birth.
Cl1mh4224rd
12/08/2005 10:15 AM
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Re: Life on mars proven in 1976?
You were born on July 35th, too??
icey ice
12/08/2005 10:15 AM
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Re: Life on mars proven in 1976?
ooo chirality is an interesting topic..

[link to nobelprize.org]

^^ for those of the scientific bent with an idea about chemistry
Anonymous Coward
12/08/2005 10:15 AM
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Re: Life on mars proven in 1976?
zetas right again!!!


alienship
Norseman
12/08/2005 10:15 AM
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Re: Life on mars proven in 1976?
I found life on Mars while scuba diving in the gulf of Mexico. It was a single cell similar to that found on earth but was encased in a fragment of Mars that hit the earth a long time ago.





GLP