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Originally posted by Arbitrageur
But I think if you press anyone they would admit we're not 100% sure. But it's a pretty good guess with evidence like that.
The conclusive evidence that the SNC meteorites originated on Mars comes from the measurement of gases trapped in one meteorite's interior. The trapped gases match those that Viking measured in the martian atmosphere.
It probably was pretty similar millions of years ago, though not billions of years ago.
Originally posted by zorgon
No it's not a good guess... it assumes that the Martian atmosphere was the SAME millions of years ago as it is today...
Mars was probably very similar millions of years ago to what it is today. And I haven't seen them "claim the meteor came from a wetter time when Mars was able to support life", have you got a source for that? I don't think that's what they're claiming either for ALH84001 or for this latest topic but show me the source if I'm wrong.
and at the same time they claim the meteor came from a wetter time when Mars was able to support life. So how can a sample of air taken today... match that of Mars during its wet period millions of years ago?
Yes but I suspect if panspermia from Mars to Earth happened at all, it would have more likely been billions, rather than millions of years ago. And the microbes would have had to hitch a ride in some small cracks and crevices in the Mars rock, where they'd be protected from solar radiation and the heat from entering the Earth's atmosphere.
And Panspermia would require the little bug to be deep enough in the rock to survive entry into our atmosphere.
Originally posted by Exuberant1
reply to post by zorgon
Zorgon,
No one knows if these are from Mars. The paper says the filaments are from a carbonaceous condrite.
The media is taking the Mars thing and running with it. So instead of reporting of fossils in a CI1 meteorite, they are going all 'life on mars' on us....
It is frustrating.
Originally posted by anubis1
there have been many informations like that before
I've mentioned Cosmology before — it isn't a real science journal at all, but is the ginned-up website of a small group of crank academics obsessed with the idea of Hoyle and Wickramasinghe that life originated in outer space and simply rained down on Earth. It doesn't exist in print, consists entirely of a crude and ugly website that looks like it was sucked through a wormhole from the 1990s, and publishes lots of empty noise with no substantial editorial restraint. For a while, it seemed to be entirely the domain of a crackpot named Rhawn Joseph who called himself the emeritus professor of something mysteriously called the Brain Research Laboratory, based in the general neighborhood of Northern California (seriously, that was the address: "Northern California"), and self-published all of his pseudo-scientific "publications" on this web site.
Originally posted by MothersofAmerica
That is not what is newsworthy,
This is simple to understand so I believe you are intentionally trying to misdirect.
Originally posted by wingsfan
Exclusive: NASA Scientist Claims Evidence of Alien Life on Meteorite
www.foxnews.com
(visit the link for the full news article)
We are not alone in the universe -- and alien life forms may have a lot more in common with life on Earth than we had previously thought.
That's the stunning conclusion one NASA scientist has come to, releasing his groundbreaking revelations in a new study in the March edition of the Journal of Cosmology.
Originally posted by XtraTL
Oh my goodness the media is stupid.
Originally posted by MothersofAmerica
reply to post by zorgon
It is irrelevant if this meteorite came from Mars. That is not what is newsworthy, you're creating a straw man. You also lied and pretended that the article said all the microbes were similar to equivalents on Earth, even though the article explicitly states that while some of the microbes were similar to terrestrial equivalents, many are not.
These are nitrogen lacking biological fossilized remains, implying they are at least 80 million years old. This meteorite dissolves in water, you do the math on whether or not it could stay on earth for 80 million years without dissolving away.
80 million year old fossils (yes some of them are NOT similar to Earth microbes) deep inside a meteorite that could not survive for a long period of time on Earth without dissolving away. This is simple to understand so I believe you are intentionally trying to misdirect.edit on 6-3-2011 by MothersofAmerica because: (no reason given)
Originally posted by ommadawn
At it's heart is a very very simple claim.
Why has it taken so long?
Originally posted by zorgon
Originally posted by ommadawn
At it's heart is a very very simple claim.
Your right, it is
Why has it taken so long?
Good question. He already took the pictures, can't they examine those to make a decision? Or don't they trust them?