Author Topic: Philae Lander may have found the origins of life on earth  (Read 122 times)

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Offline BornAgainAtheist

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Philae Lander may have found the origins of life on earth
« on: November 18, 2014, 07:12:04 PM »
http://mic.com/articles/104490/the-philae-lander-may-have-found-the-origins-of-life-on-earth

No mention of Water Bears, but those little bastards are probably hiding out on the comet.  They're tough little guys.
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Offline ParkingPlaces

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Re: Philae Lander may have found the origins of life on earth
« Reply #1 on: November 18, 2014, 07:23:36 PM »
I suspect that the article overstates the findings. They found organic chemicals, which may or may not have been the sort of thing that helped jump-start life on earth. Methinks a bit more research is in order.

But oh, the irony. Had comets not brought life to earth, that poor guy wearing the wrong shirt wouldn't be in trouble right now!  ;D
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Online Azdgari

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Re: Philae Lander may have found the origins of life on earth
« Reply #2 on: November 18, 2014, 07:24:09 PM »
Carbon is an extremely common component of space-rocks.  The oldest meteorites in the solar system - chondrites - are chock-full of it.  I'd have been surprised if carbon hadn't been found on this comet.

In short:  Not a big deal to find carbon.  A bigger deal would be to find out just how old this comet is.  Does it predate the solar system?  Pretty cool if it does.
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Offline Nick

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Re: Philae Lander may have found the origins of life on earth
« Reply #3 on: November 18, 2014, 07:37:18 PM »
Too bad the thing had such a short life span.
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Offline wright

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Re: Philae Lander may have found the origins of life on earth
« Reply #4 on: November 18, 2014, 08:05:00 PM »
Agreed; an exciting find, but not a terribly surprising one. Organic compounds have been detected in deep space before, and comets are one theoretical source:http://astronomy.com/news/videos/2014/08/alma-confirms-comets-forge-organic-molecules-in-their-dusty-atmospheres

Also:http://www.bbc.com/news/science-environment-29368984

So it clearly isn't difficult for these chemicals to form. Another indicator, though far from conclusive, for abiogenesis.
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Offline jdawg70

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Re: Philae Lander may have found the origins of life on earth
« Reply #5 on: November 19, 2014, 10:20:21 AM »
I assume that they've ruled out the possibility of contamination from material brought from Earth, but I've not been able to dig anything up on how that possibility had been eliminated.

I guess I actually don't know how possible or likely such contamination would be, but I know one of my first questions would be "we didn't bring that with us, did we?"
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Offline Mrjason

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Re: Philae Lander may have found the origins of life on earth
« Reply #6 on: November 19, 2014, 10:30:06 AM »
I assume that they've ruled out the possibility of contamination from material brought from Earth, but I've not been able to dig anything up on how that possibility had been eliminated.

I guess I actually don't know how possible or likely such contamination would be, but I know one of my first questions would be "we didn't bring that with us, did we?"

There are precedents for us bringing stuff with us into space http://science.nasa.gov/science-news/science-at-nasa/1998/ast01sep98_1/

Maybe a lab technition's cold germs will eventually seed life on other planets. Its funny how one can become a god.

Offline screwtape

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Re: Philae Lander may have found the origins of life on earth
« Reply #7 on: November 19, 2014, 01:05:22 PM »
Philae Lander

Is this a pun?  Like Philanderer?
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Offline Backspace

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Re: Philae Lander may have found the origins of life on earth
« Reply #8 on: Yesterday at 10:30:16 AM »
Quote
Is this a pun?  Like Philanderer?

You know, this whole comet thing is having a weird physiological effect on me:  It's turning my teeth green, it's giving a taste in my mouth like gasoline, and it may even make me vomit.  I seem to remember experiencing something similar in grade school.[1]

 8)


 1. http://en.wikipedia.org/wiki/Comet_(song))
« Last Edit: Yesterday at 10:38:36 AM by Backspace »
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