The End of the World - Core Freezing

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  • Beteiligte Poster: ichabod00x - BenDaMan
  • Forenurl: Klick
  • aus dem Unterforum: The Order of the Tin Foil Hat
  • Antworten: 4
  • Forum gestartet am: Freitag 20.05.2005
  • Sprache: englisch
  • Link zum Originaltopic: The End of the World - Core Freezing
  • Letzte Antwort: vor 17 Jahren, 9 Monaten, 26 Tagen, 9 Stunden, 22 Minuten
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    Re: The End of the World - Core Freezing

    ichabod00x - 03.06.2005, 14:38

    The End of the World - Core Freezing
    It’s a nasty way to go, really. Imagine the land under your feet suddenly wasn’t there anymore. Imagine sticking your head into a microwave oven. Imagine all air is no longer there. Now, imagine all these things combined. I think we can agree on one thing: you would die.

    Still, this unpleasant triple whammy is coming our way. A few billions of years more, and the disaster should kick in. We would drown, then die of radiation, and finally choke to death. That’s what happens, when the center of the Earth freezes.

    As you may know, our planet is filled with super hot fluid, much like a Belgian chocolate. When volcanoes erupt, they spew out the liquid -- it’s magma. Even deeper in the Earth’s core, there should be a massive, searing ocean of molten metal sloshing about. The core of the Earth is made of liquid iron, peppered with liquid nickel.

    Now really, we at Exit Mundi don’t like volcanoes and earthquakes and all that any more than you do. But still, you’re one lucky bastard to have all of this molten stuff under your feet. For without the molten stuff, we would have had no land! The magma constantly replenishes the land: it boils up in the Atlantic ocean, freezes and thus constantly adds rock and soil to our world. Just think of it: every mountain you see, every piece of stone you pick up: it was all once liquid magma!

    But there’s trouble ahead. Very slowly, the Earth is cooling down from outside in, much like an oven dish placed in a fridge. The Earth is freezing. In the end, the Earth’s core will no longer be liquid, but solid. Our planet’s restless bowels will calm down -- forever.

    The first thing you would notice is less volcanoes, and less earthquakes. Hey, that’s fun -- but it’s just the beginning. Slowly, wind and rain will begin to erode the Earth away. Very gradually, mountains will shrink. Grain by grain, they will crumble down, and get washed away by rain and rivers, into the sea. It will take hundreds of millions of years, that’s the good news. But the bad news is that in the end, there will be no more land left! It’s a bit strange to imagine, but when you level out all the land evenly across the globe, and smear it out onto the bottom of the sea, you would find nothing will be stick out of the water. No continents, no rocks, no islands, not even a sand bank. All that will be gone forever.

    So okay, you decide to live on some kind of ship from now on -- with many millions of years ahead, there’s plenty of time to build some sort of Ark. But wait. Next thing you know, the deeper, liquid metal core starts to freeze up, too. And that means the Earth’s magnetic field will weaken -- and go out. Forever.

    Now that really brings out the beast. As we explained elsewhere on this site, no magnetic field means: no protection against space radiation. We will have more cancers, and more blackouts. But that’s not the big issue. The worst part is, our atmosphere will begin to vanish. Very slowly, molecule by molecule, the stuff we call air will be lost in space.

    It’s the solar wind doing this, my friends. Without magnetic field, the stream of particles coming from the sun can quietly eat away the atmosphere. The atmosphere will literally be blown away, direction deep space!

    According to some researchers, exactly this is what happened on Mars a few billions of years ago. Mars is much smaller than our planet, and accordingly, it froze up sooner. Scientists believe this is what killed Mars. With it’s magnetic field down, the Sun could blow away Mars’ early atmosphere. After a few hundreds of millions of years, it was gone.

    Hey, but Mars has this other thingie too: it has no liquid water. Well -- the same lies in store for our planet. With no atmosphere, there is no air pressure to hold down the water. All water would simply vanish into thin air -- literally.

    So just imagine it: you’re sitting in your Ark, wearing a space suit -- when suddenly, ahoy, land in sight! But pretty soon after that, you’ll find that land is about the only thing left. Oceans become lakes, and lakes become ponds. And in the end, the ponds will evaporate too. Oh, now that’s cool -- now you’re without water, too.

    We’ll find ourselves on a kind of Mars the Second: a lifeless, airless, waterless, dead world -- with only some gullies and dried-up river beds remembering of its more lively past.

    If that doesn’t depress you, there’s this: the freezing of the core seems quite inevitable. It isn’t some speculative, weird phenomenon -- most experts agree the freeze-up is indeed going to happen one day.



    Re: The End of the World - Core Freezing

    BenDaMan - 03.06.2005, 14:44


    "If that doesn’t depress you"

    I'd be more depressed if it was going to be in the next five years :P I think I can wait a few million years. But what will come first? The cooling of the earth or the destructon of the sun?



    Re: The End of the World - Core Freezing

    ichabod00x - 03.06.2005, 14:47


    I've got some stuff on the sun going boom if you want that... 8)



    Re: The End of the World - Core Freezing

    BenDaMan - 03.06.2005, 14:51


    You can post it if you want to, I already know that's it's going to eventually explode/implode, but that doesnt worry me, because again, I'll be long gone. And I have faith that by the time these two things happen, we will have very high-tech spaceships and be able to travel from planet to planet.



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