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chikie
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Post by chikie »

You need to fix the carbon, not just temporarily bind it in organisms.
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Ribtor
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Post by Ribtor »

Create a limestone-like precipitate that would settle on the surface and lock in the carbon. Possibly through atmospherically borne organisms.
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chikie
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Post by chikie »

except limestone is dissolved by acid, and sulfuric acid is present in the venusian atmosphere.
mmaverick wrote wrote: I'm just on a fiddlesticks train.
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maurvir
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Post by maurvir »

It does neutralize the acid in the process, though. I believe you get calcium sulfate, CO2 gas, and water. This would actually be a net improvement, though it might take a while to clear sufficient amounts from the atmosphere to be noticeable. Unfortunately, it would possibly increase the amount of free CO2 for a while.

Kind of a pipe dream anyway, though. You would have to work on a truly enormous scale to tilt the balance even a little, and even then, the landscape isn't exactly inviting.
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Post by TOS »

chikie wrote: except limestone is dissolved by acid, and sulfuric acid is present in the venusian atmosphere.


also i'm trying to imagine the logistics of hauling a few billion tons of limestone across the solar system
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Post by obvs »

It would probably involve more redirecting asteroids than bringing them from Earth.
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Post by user »

I considered making a joke about that.
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juice
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Post by juice »

Holy human waste. Pants now full.
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maurvir
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Post by maurvir »

juice wrote: Holy human waste. Pants now full.


Nah, you are sitting in a Faraday cage. Worst that happens is your car's electrical system gets toasted. Also, I've driven in storms like that and it wasn't that big a deal.
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Post by juice »

maurvir wrote:
juice wrote: Holy human waste. Pants now full.


Nah, you are sitting in a Faraday cage. Worst that happens is your car's electrical system gets toasted. Also, I've driven in storms like that and it wasn't that big a deal.

The intellectual portion of one's brain would certainly get that. However, the lizard brain portion of you would already have filled your pants.
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Post by TOS »

obvs wrote: It would probably involve more redirecting asteroids than bringing them from Earth.


limestone is mosty the remains of ancient coral, i don't imagine many asteroids would have it
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Post by maurvir »

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Post by TOS »

well duh, in the war against morgoth most of beleriand was sunk beneath the waves and new shorelines were formed
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Post by TOS »

nice trollin' there, chum
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Post by obvs »

TOS wrote:
obvs wrote: It would probably involve more redirecting asteroids than bringing them from Earth.


limestone is mosty the remains of ancient coral, i don't imagine many asteroids would have it
How many asteroids have you checked?
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Post by DEyncourt »

Recently discovered diary of overseer who worked on the ancient Egyptian pyramids reveals secret of how the stones got to Giza:

Image


Just kidding: that diary detailed how the ancient Egyptians used boats and canals to float the stones close to their sites. They are finding through radar-imaging that there stone canals buried under the desert sands coming from the Nile at a point where it was a bit higher than the Giza plateau.
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Post by Yori »

So it wasn't the Goa'uld?
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Post by DEyncourt »

Video tweet: "Fire in a bottle".

Be sure to check out reply by @godFreeWorld for another video AND watch that for its entire 30 seconds 'cause things will happen after the screen first goes black.
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Post by DEyncourt »

White liger cubs!

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Their parents:

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Post by DEyncourt »

The Bad Astronomer explains the TRUE last pic from Rosetta:

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Rosetta was in the process of transmitting this pic when it landed on the comet thus cutting off the data which probably would have given this one a better focus. It shows an area which is about a meter across.

Here is a pic showing the last pics during Rosetta's approach to landing with the one outlined in yellow being the PREVIOUSLY thought last pic:

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Post by TOS »

so ... aliens?
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Post by ukimalefu »

TOS wrote: so ... aliens?


no, you can clearly see the finger of God touching a skull with a spinal column
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Post by Metacell »

I see Bruce The Great White Shark bumbing shnozzes with an engorged siphonaptera. What gives?
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Post by dv »

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I HUNGER!
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maurvir
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chikie
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Post by chikie »

So most golfers are pasty white guys.
mmaverick wrote wrote: I'm just on a fiddlesticks train.
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juice
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Post by juice »

chikie wrote: So most golfers are pasty white guys.

Not exactly breaking new ground with this study.
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Post by Séamas »

chikie wrote: So most golfers are pasty white guys.



There are some orange ones too.
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Post by TOS »

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Post by Metacell »

Mmmmm....pastrami of the sea!
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Post by ukimalefu »

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Ribtor
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Post by Ribtor »

maurvir wrote: It does neutralize the acid in the process, though. I believe you get calcium sulfate, CO2 gas, and water. This would actually be a net improvement, though it might take a while to clear sufficient amounts from the atmosphere to be noticeable. Unfortunately, it would possibly increase the amount of free CO2 for a while.

Kind of a pipe dream anyway, though. You would have to work on a truly enormous scale to tilt the balance even a little, and even then, the landscape isn't exactly inviting.

I think the precipitate should absorb the atmospheric carbon and upon settling dissolve to release a water byproduct. The continued introduction of this imaginary precipitate would still lessen the atmospheric carbon dioxide. The sulfuric acid would dilute. Ideally the imaginary limestone-like precipitate would be created from the compounds already in the atmosphere, just needing some small catalyst to get it going.
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