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perrodetokio
Skeptic Friend

275 Posts

Posted - 01/09/2015 :  13:07:22  Show Profile Send perrodetokio a Private Message  Reply with Quote
http://www.astrobio.net/news-exclusive/potential-signs-ancient-life-mars-rover-photos/

"Yes I have a belief in a creator/God but do not know that he exists." Bill Scott

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Kil
Evil Skeptic

USA
13477 Posts

Posted - 01/09/2015 :  18:34:00   [Permalink]  Show Profile  Visit Kil's Homepage  Send Kil an AOL message  Send Kil a Yahoo! Message Send Kil a Private Message  Reply with Quote
Originally posted by perrodetokio

http://www.astrobio.net/news-exclusive/potential-signs-ancient-life-mars-rover-photos/
I saw that. I am hopeful that it turns out to be microbes that shaped the outcropping.

Uncertainty may make you uncomfortable. Certainty makes you ridiculous.

Why not question something for a change?

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Dr. Mabuse
Septic Fiend

Sweden
9688 Posts

Posted - 01/10/2015 :  02:20:07   [Permalink]  Show Profile  Send Dr. Mabuse an ICQ Message Send Dr. Mabuse a Private Message  Reply with Quote
Wouldn't that be awesome?
My understanding of astrobiology is that if the conditions are close enough, and large-scale enough, life is pretty much inevitable.

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Dave W.
Info Junkie

USA
26022 Posts

Posted - 01/10/2015 :  23:31:02   [Permalink]  Show Profile  Visit Dave W.'s Homepage Send Dave W. a Private Message  Reply with Quote
I only scanned the article, but the impression I got from the figures and the text I did read was "this thing we don't know the source of looks like this other thing for which we know how it was made," which is pretty much the logic behind the Face and pyramids of Mars.

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Kil
Evil Skeptic

USA
13477 Posts

Posted - 01/11/2015 :  10:14:55   [Permalink]  Show Profile  Visit Kil's Homepage  Send Kil an AOL message  Send Kil a Yahoo! Message Send Kil a Private Message  Reply with Quote
Originally posted by Dave W.

I only scanned the article, but the impression I got from the figures and the text I did read was "this thing we don't know the source of looks like this other thing for which we know how it was made," which is pretty much the logic behind the Face and pyramids of Mars.
I don't agree. This is an outcropping on a known part of a dried up lakebed on Mars taken at close range by the Curiosity rover. Not some distant, it kinda looks like a face thing.

They are also being careful to state that possible evidence for microorganisms is at this time a hypothesis based on Earth geology with the knowledge that Mars was once a "wet" planet. If there is a similarity with the face observations, it's very superficially so.

Ancient Sedimentary Structures in the < 3.7 Ga Gillespie Lake Member, Mars, That Resemble Macroscopic
Morphology, Spatial Associations, and Temporal
Succession in Terrestrial Microbialites

Uncertainty may make you uncomfortable. Certainty makes you ridiculous.

Why not question something for a change?

Genetic Literacy Project
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Dave W.
Info Junkie

USA
26022 Posts

Posted - 01/11/2015 :  17:44:00   [Permalink]  Show Profile  Visit Dave W.'s Homepage Send Dave W. a Private Message  Reply with Quote
Well, the difference is that the scientists are saying, "here's how we can test this idea," while the cranks say, "it looks like a face, therefore it is a face." I expect much of the mainstream press will take the latter angle, regardless how much the scientists insist on uncertainty.

- Dave W. (Private Msg, EMail)
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