Science has just proven that life should not exist on Earth

[phillybear 364]

http://www.manchester.ac.uk/aboutus/news/display/?id=10798

 

Climate puzzle over origins of life on Earth

04 Oct 2013

The mystery of why life on Earth evolved when it did has deepened with the publication of a new study in the journal Science today (Friday).

Scientists at the CRPG-CNRS University of Lorraine, The University of Manchester and the Institut de Physique du Globe de Paris have ruled out a theory as to why the planet was warm enough to sustain the planet’s earliest life forms when the Sun’s energy was roughly three-quarters the strength it is today.

Life evolved on Earth during the Archean, between 3.8 and 2.4 billion years ago, but the weak Sun should have meant the planet was too cold for life to take hold at this time; scientists have therefore been trying to find an explanation for this conundrum, what is dubbed the ‘faint, young Sun paradox’.

“During the Archean the solar energy received at the surface of the Earth was about 20 to 25 % lower than present,” said study author, Dr Ray Burgess, from Manchester’s School of Earth, Atmospheric and Environmental Sciences. “If the greenhouse gas composition of the atmosphere was comparable to current levels then the Earth should have been permanently glaciated but geological evidence suggests there were no global glaciations before the end of the Archean and that liquid water was widespread.”

One explanation for the puzzle was that greenhouse gas levels – one of the regulators of the Earth’s climate – were significantly higher during the Archean than they are today.

“To counter the effect of the weaker Sun, carbon dioxide concentrations in the Earth’s atmosphere would need to have been 1,000 times higher than present,” said lead author Professor Bernard Marty, from the CRPG-CNRS University of Lorraine. “However, ancient fossil soils – the best indicators of ancient carbon dioxide levels in the atmosphere – suggest only modest levels during the Archean. Other atmospheric greenhouse gases were also present, in particular ammonia and methane, but these gases are fragile and easily destroyed by ultraviolet solar radiation, so are unlikely to have had any effect.”

But another climate-warming theory – one the team wanted to test – is that the amount of nitrogen could have been higher in the ancient atmosphere, which would amplify the greenhouse effect of carbon dioxide and allow the Earth to remain ice-free.

The team analysed tiny samples of air trapped in water bubbles in quartz from a region of northern Australia that has extremely old and exceptionally well-preserved rocks.

“We measured the amount and isotopic abundances of nitrogen and argon in the ancient air,” said Professor Marty. “Argon is a noble gas which, being chemically inert, is an ideal element to monitor atmospheric change. Using the nitrogen and argon measurements we were able to reconstruct the amount and isotope composition of the nitrogen dissolved in the water and, from that, the atmosphere that was once in equilibrium with the water.”

The researchers found that the partial pressure of nitrogen in the Archean atmosphere was similar, possibly even slightly lower, than it is at present, ruling out nitrogen as one of the main contenders for solving the early climate puzzle.

Dr Burgess added: “The amount of nitrogen in the atmosphere was too low to enhance the greenhouse effect of carbon dioxide sufficiently to warm the planet. However, our results did give a higher than expected pressure reading for carbon dioxide – at odds with the estimates based on fossil soils – which could be high enough to counteract the effects of the faint young Sun and will require further investigation.”

 

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Science is the savior of the uninformed and unintelligent. Science is stupit.

 

[Frank M 181]

Well, this certainly proves that God just miracled us here 10,00 years ago.

 

Thanks for the update.

 

[NorthernVike 2,080]

Well, this certainly proves that God just miracled us here 10,00 years ago.

 

Thanks for the update.

 

Aliens planted us here. HTH

[phillybear 364]

Well, this certainly proves that God just miracled us here 10,00 years ago.

 

Thanks for the update.

 

 

I don't think anyone of any religion actually believes that humans have only been around a couple of thousand years. That's a misnomer.

 

Beside, the creation of this planet is simply impossible.

[phillybear 364]

Aliens planted us here. HTH

 

Which is certainly within the realm of possibility. Which also means that we have to now fully believe without beating around the bush that extraterrestrial entities exist.

 

There is a percentage of folks from many different belief systems that won't like that one bit.

[Frank M 181]

 

I don't think anyone of any religion actually believes that humans have only been around a couple of thousand years. That's a misnomer.

 

Beside, the creation of this planet is simply impossible.

 

Kirk Cameron does.

[phillybear 364]

 

Kirk Cameron does.

 

Actors are pretty much empty headed vessels. That's what makes them skilled to channel characters. But if they say anything of note about anything pertaining to life, philosophy, politics, religion, vaccines, stopping Team American World Police, etc, they should be treated like the water heads that they are.

[Little Rusty 17]

Aliens planted us here. HTH

 

And who made the Aliens?

[NorthernVike 2,080]

 

And who made the Aliens?

Mexico

[TimmySmith 2,782]

First it was too cold, NOW too hot. Which is it?

[listen2me 23 1,544]

Without science, we'd all be screwed.

[Recliner Pilot 61]

First it was too cold, NOW too hot. Which is it?

Depends on who is signing your "research" checks.

[RLLD 3,455]

And yet, the continue to find "life" in the most extreme circumstances on our own planet all the time.... I think this is a smoke screen

[Mookz 1,287]

 

And who made the Aliens?

 

James Cameron

[frank 2,145]

Um, the last sentence of the quote directly contradicts the thread title.

[frank 2,145]

Without science, we'd all be screwed.

With it, we might get blinded.

[Recliner Pilot 61]

So, the temp of Earf depends on the Sun???

 

Whodathunkit.

[Lackman 0]

With it, we might get blinded.

 

It could get Weird.

[frank 2,145]

 

It could get Weird.

[frank 2,145]

 

And who made the Aliens?

Who made who?

[BunnysBastatrds 1,920]

 

And who made the Aliens?

 

 

I don't know who made them but they came out of your moms snatch.

[Saint Elistan 106]

And yet, the continue to find "life" in the most extreme circumstances on our own planet all the time.... I think this is a smoke screen

[GobbleDog 816]

 

I don't think anyone of any religion actually believes that humans have only been around a couple of thousand years. That's a misnomer.

 

Beside, the creation of this planet is simply impossible.

 

I send my 3 y.o. to an expensive private Christian school to avoid scumbags in daycare. Recently, she asked about dinosaurs, so I told her they all died 60 million years ago from an asteroid. My wife later said she wasn't sure if that was condusive to the church/school teachings.

 

Playing pretend-Christian is confusing.

[peenie 1,690]

just because scientists think life shouldn't have existed doesn't mean it didn't exist.

we've discovered organisms where we thought life couldn't exist; in extreme heat, no oxygen, extreme salt, high radiation or no water.

we're still too stupid, even as scientists, to truly understand how and especially why we are here.

[penultimatestraw 473]

just because scientists think life shouldn't have existed doesn't mean it didn't exist.

we've discovered organisms where we thought life couldn't exist; in extreme heat, no oxygen, extreme salt, high radiation or no water.

we're still too stupid, even as scientists, to truly understand how and especially why we are here.

The biggest mystery to the anti-science crowd is scientists' ability to admit they don't know it all - not nearly as comforting as a good fairy tale.

[BunnysBastatrds 1,920]

 

I send my 3 y.o. to an expensive private Christian school to avoid scumbags in daycare. Recently, she asked about dinosaurs, so I told her they all died 60 million years ago from an asteroid. My wife later said she wasn't sure if that was condusive to the church/school teachings.

 

Playing pretend-Christian is confusing.

.

 

 

Same here. Just spent 9 grand for Catholic high school. have 45 grand invested so far. Plan on spending another 36 till she makes it to college. Worth every penny.

 

Came home last week and said she hated religion. They are teaching her both sides and are allowed to argue their beliefs one way or the other. Can't get that in public schools.

[BunnysBastatrds 1,920]

Evolution vs Creationism being taught in a school is not crazy! And revolutionry! Having an opinion on either side is even more crazier? Let them decide.

 

Sending your kids to public school is on you. I feel sorry for you if that is your only choice. I'd shovel sh!t for a part time job until three in the morning if I had to if I couldn't send my kids to a privte school. The public school system is a fawking joke. I don't care where you live or how good your public schools grade out. If you can afford it, do it!

 

If you can't, push all of your kids teachers to go the extra mile. They will. When they don't, call them out.

[TimmySmith 2,782]

 

I send my 3 y.o. to an expensive private Christian school to avoid scumbags in daycare. Recently, she asked about dinosaurs, so I told her they all died 60 million years ago from an asteroid. My wife later said she wasn't sure if that was condusive to the church/school teachings.

 

Playing pretend-Christian is confusing.

You could do something crazy, like, talk to the teacher.

 

My son goes to Catholic school. Trust me, they teach about dinosaurs and evolution.

[Frank M 181]

You could do something crazy, like, talk to the teacher.

 

My son goes to Catholic school. Trust me, they teach about dinosaurs and evolution.

 

They probably teach it like this:

 

http://www.dailysquib.co.uk/most-popular/1236-scientists-prove-jesus-walked-with-dinosaurs.html