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When the earth stops...

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1default When the earth stops... on September 14th 2014, 5:56 am

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So let us say that the earth slowly stops spinning. Here is a docudrama on it. What I have a problem with on this video is that as magnetosphere would utterly collapse which would result in the people on "the new middle continent" to be instantly fried from the smallest solar flare. That would of course be quicker than them baking to death as the temperature continued to rise. Really one flare and the whole planet would be like an apple in front of a blow torch.
There are of course some more interesting things in this video so I'll let you guys ask and we can discuss it point by point, but do bare in mind that it is portraying a time to zero rotation over a five year time period.


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2default Re: When the earth stops... on September 15th 2014, 3:27 am

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It is scientific fact that the Earth's rotation is slowing. This has been proven without doubt. Way back in time when the oceans were still young Circa 4bn years ago, the length of a day on Earth was a little over 16 hours as the Earth rotated much faster than today.

Over the following millions of years it has slowed to it's current speed and takes a little over 24 hours to complete a full rotation.(Solar Day) The speed at which the earth is slowing is around 2ms per Century so we don't need to make new clocks just yet lol.

The causes of the slowing of this rotation are many and varied, but the main ones are the gravitational effect of the Moon dragging on the Earth, and friction caused by both the atmosphere and the Oceans on the earth's crust.

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3default Re: When the earth stops... on September 25th 2014, 6:12 pm

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Right now it is slowing at an extremely slow rate, but what if, it started slowing down geometrically to where it would actually stop in a matter of years instead of thousands of years? An even worse scenario would be if it started slowing down exponentially giving only months instead of years.


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4default Re: When the earth stops... on October 7th 2014, 8:30 pm

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i would say. such a problem would be the worst case. whats even more is if it turned out really bad.


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5default Re: When the earth stops... on October 9th 2014, 7:51 pm

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Yip. it is most definitely a worse case scenario that some day humans as a race will have to face. In fact it is one of those things that is already happening (slowly). It not a matter of if the Earth is going to stop rotating, but when. Could be a 1,000 years, or 100,000 years but it is in the process of slowing and will eventually come to a complete stop.

I do tend to believe that when it does occur that it will happen on an exponential scale. This is because that as parts of the core cool they will harden and slow down other parts. Kind of like hair in a drain. It starts with one or two hairs which catch other hairs. The more hairs there are the more hairs get caught, and the more hairs get caught the slower the water goes through the pipe.


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6default Re: When the earth stops... on October 16th 2014, 7:21 am

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interesting i never thought of it like that but did at one point then dismissed it.


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7default Re: When the earth stops... on November 27th 2014, 1:17 pm

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This is one of those topics that I find quite interesting. There are some things that could actually drastically increase the process of the planet slowing down but I think most of them would be catastrophic ELE (Extinction Level Events).


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8default Re: When the earth stops... on November 28th 2014, 2:22 am

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Undoubtedly it will stop. The only question is when? Even scientists are currently unaware of even an estimated date. There are however other worrying features to consider.
For example Gravitational force is directly related to the speed of rotation, therefore as we slow down the force of gravity becomes weaker. At some point before the Earth stops rotating totally, the force of gravity will become so weak that it won't be able to hold either the atmosphere or the oceans to the planet, these will then drift off into space, so all life will at that time become effectively extinct.

Now I don't know if anyone has ever calculated at what speed of rotation this would start to occur? But it is a worrying thought.

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9default Re: When the earth stops... on December 1st 2014, 9:11 pm

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Actually what will decrease is not the gravity (mass=gravity) but the centripetal force along the equator which will cause the ocean to no longer stay there.
For example,swirling water around in a glass causes it to move to the sides. Likewise as the Earth turns it cause the ocean to move to the center.  
As this force diminishes, the bulge in the equator will also diminish. This will cause crust to move inward toward the core and will cause earthquakes as the land mass settles into its new location. This of course would cause the Phillippines and Indonesia to sink.  Northern Australia, India, Guinia, central America, and northern Africa would also experience a similar effect with what would appear to them to be increasing tides and flooding (when in reality they would be sinking).

Now for something out of a scifi show that is actually a reality -

In order for the earth to stop spinning the core would have to cool to the point that it would solidify.

Our Earths core is made of Iron. As it cooled it would solidify, and as all metal does would shrink, leaving the crust of the planet to be nothing but a thin brittle shell.

I like to look at it like this:
Imagine a basket ball where the surface was made of nothing but a thin piece of bosa wood instead of plastic. In the middle you have a solid metal ball about 1/3 of the size of the ball.

Where structures are to heavy (say a 100 story building) for the now thin crust to support the buildings would simply fall straight down.  

The earth would still moving in space so every time there was a gravitational jerk the ball would move and hit the underneath side of the crust weakening it further.  

The planet would basically collapse in on itself.

So for anyone reading this who saw a movie where giant buildings appeared to drop straight down you now know what scientific theory it was based  upon.  Idea


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10default Re: When the earth stops... on December 4th 2014, 3:41 pm

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mass destruction assured.


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11default Re: When the earth stops... on December 5th 2014, 4:33 am

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This is one of the reasons why there is so much money unaccounted for in various Countries coffers. They are spending it on creating bases on Mars so that all those 'Deserving' people, (politicians and their cronies) can have somewhere nice and safe should the worst happen.

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12default Re: When the earth stops... on December 5th 2014, 6:33 am

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Sadly, if they are the only people left to survive our race they will carry with them all of the politics that they left behind. But, as they say, you can not have a government if you have no citizens.

I also wonder what criteria they would use to determine who was worthy in such a situation. Who would go, and who would be left behind. Would there only be government officials and a handful of scientists, or would they include others who were not one of these classes (elite or scientists).


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13default Re: When the earth stops... on December 6th 2014, 3:04 am

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I would think it would be people they need like Engineers, scientists etc. then probably some high up military Generals and the like, and then some of their best pals, ie top businessmen or wealthy individuals.

One thing is for sure, you're not going to see the neighbouhood news vendor asked!

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14default Re: When the earth stops... on December 7th 2014, 6:54 am

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I truly wish I could see the list. I'm sure they have a scenario for "continuity of government" which includes a lengthy list of elites.


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15default Re: When the earth stops... on December 7th 2014, 6:04 pm

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There's no doubt they have. However it's unlikely that mere mortals like us will get to see it

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16default Re: When the earth stops... on December 8th 2014, 3:01 pm

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I remember the documentary on the Titanic and was thinking that It will probably be those who are either elite or have a lot of money.


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17default Re: When the earth stops... on January 4th 2015, 4:23 pm

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well i guess greed is a bad thing. truth is a three edged sword. your side. there side. and the truth. now here we have indications of magnetic shield failure.


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18default Re: When the earth stops... on January 7th 2015, 3:53 am

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Just to rekindle this subject a little. Did anyone know that this Year (2015) will be 1 second longer than last year?

This is to compensate for Earth's slowing rotation. But it is feared the ‘leap second’ added at midday on June 30 by scientists at the International Earth Rotation Service in Paris could spark internet crashes.

The extra second is needed because the Earth’s rotation is gradually slowing by around two thousandths of a second per day. (1 second approx every 500 days) So approximately every 81 Years the length of a day increases by 1 minute.

It is not hard to project this and see that by the Year 3015 Clocks as we know them today won't be able to accurately display time anymore as a day will consist of 24 hours and 12 minutes instead of the current 24 hours.
Twelve minutes may not seem much to you? But in reality this is 84 minutes per week, or put it another way. If we were to use a watch of todays standards then? and the Sun rose when our watch displayed say 6am. Then 7 days later (by the same watch) the Sun would rise at approximately 4.35am and so on and so forth.

When the last leap second was added in 2012, Mozilla, Reddit, LinkedIn and scores of other sites crashed.

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19default Re: When the earth stops... on January 15th 2015, 3:44 am

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Would it not be amazing if the Earth started slowing down to where we had to adjust the clocks by hours instead of seconds?

I remember a few years ago where the planet experienced a wobble and it caused the sun to not come up for a full 3 hours after it was suppose to. Caused a lot of panic I'm sure, but pilots even had to delay flights for an hour in Florida so they could fix their compasses and be able to navigate.


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20default Re: When the earth stops... on January 17th 2015, 1:26 pm

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this is going to eventually end all life as we know it. without a atmosphere anything which needs air wont survive.


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21default Re: When the earth stops... on January 18th 2015, 6:02 am

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Grim wrote:Would it not be amazing if the Earth started slowing down to where we had to adjust the clocks by hours instead of seconds?

I remember a few years ago where the planet experienced a wobble and it caused the sun to not come up for a full 3 hours after it was suppose to. Caused a lot of panic I'm sure, but pilots even had to delay flights for an hour in Florida so they could fix their compasses and be able to navigate.  

I think that well before that, we will have to devise a new system for telling the time. Something along the lines of Star Trek's 'Stardate' springs to mind.

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22default Re: When the earth stops... on January 18th 2015, 2:24 pm

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That is true, because let us suppose we colonize planets. We will eventually have to convert to a new system of time to keep things running. Perhaps they will call it UGT (universal galactic time) or stardate. ?? ?


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23default Re: When the earth stops... on February 23rd 2015, 3:13 am

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the idea is to be creative and if the earth stops spinning things will go to burning like a apple over a blow torch.


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24default Re: When the earth stops... on February 28th 2015, 4:54 pm

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I foud this informative article that might just interest everyone. It is about the primal and future moon.

Most of us appreciate the beauty of a full Moon sedately moving across our night skies. The Moon seems unchanging, as if for eons it has been there, controlling the tides, going through its phases every month and inspiring poets and lovers. It might surprise you to know that in the past, things were much different, and they are still changing.

A billion years ago, our relationship with the Moon was quite different. For one thing, the Moon was much closer and therefore appeared much larger: and we saw the entire Moon, not just one face as we do now. It took the Moon only twenty days to circle the Earth, and Earth's day was only eighteen hours long. Massive tides, over a kilometer in height, would ebb and flow every few hours. From the beginning though, things were changing, as the Moon's orbit was getting larger.

Every year, the Moon moves about four centimeters (about 1.6 inches,) farther out into space, away from Earth. Right now, the Moon's rotation rate, and the time it takes to orbit Earth are the same. Is this all just some cosmic coincidence? Would it surprise you to know that at one time, Earth didn't even have a moon? Where then, did our nearest neighbor in space come from, and what will the future bring? To answer these questions we must go very far back into time.

Four and a half billion years ago the Earth was about sixty percent formed, though it did have a differentiated core, crust and mantle. In these primal skies, there was no Moon. It was a very violent time in the Solar System with other planets forming from clumps of gas, dust and rock and impacts among these bodies were the norm. Orbits were not the sedate, orderly system they are today.

One planet, about the size of Mars, probably had an orbit which crosses Earth's, and eventually a collision occurred. The impacting planet made a hard, but glancing blow off Earth at just the right angle. It almost bounced off Earth, but was consumed instead. But the blow sent shock waves across Earth, spewing gas and debris into space, giving Earth, for a very short time, a ring around it.

The debris around Earth began to condense into clumps and quite rapidly, a blink in cosmic time, formed a large glowing ball: our primal Moon. The Moon would have looked about ten times larger than it does today, and the Earth was changed forever.

This story, about the birth of the Moon, is still a theory, one among several attempting to explain the source of our satellite. Currently, this is the most widely accepted of the theories.

Since that cosmic collision, the Earth and Moon have both have an effect on each other, and will continue to have an affect far into the future. Since the Earth is so much more massive than the Moon, the Earth has had the larger effect. Earth's gravity has caused the Moon to become tidally locked us as well as increasing the distance between the two worlds. By tidally locked, we mean that the moon's rotation rate is the same as the time it takes the moon to go once around Earth, which also results in us seeing only one side of the Moon.

The dynamics of this Earth/Moon relationship come basically down to Earth's tides so we need to take a closer look at them. We know that the Moon is the primary cause of Earth's ocean tides by the Moon “pulling” on the Earth as it goes around it. But gravity lessens with distance and this means that the pull from the Moon is stronger on the side of Earth that is facing the Moon.

Keep in mind that the Moon is not pulling on the Earth as a whole, but rather on the part of Earth beneath the Moon. So, as the Moon passes over a part of Earth, the Moon pulls on that area. If it is over water, the Moon actually pulls on the water, creating a void for more water to flow into that area and creating a high tide. Directly opposite that spot, the Moon's gravity is pulling on the Earth itself, pulling it away from the water and allowing more water to flow into that area creating another high tide. But because the distance from the Moon is greater, the pull from gravity on the far side of the Earth is about six percent less than on the side facing the Moon.

The Sun also has an effect on tides, but it only about forty six percent of the tidal effect from the Moon. That might sound confusing – seeing as how the Sun is so much bigger than the Moon, but remember – gravity decreases with distance – and the Sun is much farther away from Earth than the Moon.

When the Sun and Moon team up together (both on the same side of the Earth) we have even larger high tides. The point though, is that Earth is being tugged from several bodies, rotating under the shifting tides.

Also, remember that as the Moon is moving around the Earth, the Earth itself is spinning. The Earth spins much faster than the Moon moves around our planet. The effect this has, is that that the tidal bulge caused by the Moon is actually pulled ahead of the Moon by the Earth's faster rotation.

The Moon therefore is pulling back on the tidal bulge with the result that there is friction between the ocean floor and the water. The friction actually slows Earth down, therefore explaining why our days on Earth are getting longer.

These tidal bulges on Earth, have an affect on the Moon, in essence pulling the Moon and forcing it into a higher orbit. This is why the Moon is moving away from us.

We mentioned tides on Earth caused by the Moon – but Earth actually causes tides on the Moon's surface as well. Even though the Moon has a solid surface of rock, small tidal bulges actually occur. Earth tugging on the Moon's surface has slowed down the rotation of the Moon over time. Over time the Moon rotation slowed until it equaled the time it took the Moon to go around the Earth. At that point, those lunar tidal bulges lined up with Earth and the rotation ceased slowing down: the Moon was tidally locked with Earth and that's why we see only one side of the Moon.

Just because the Moon's rotation has ceased to slow down doesn't mean that the Earth/Moon system isn't changing in other ways. We already know that the Moon is moving farther away from Earth but other changes are happening as well.

We mentioned that Earth's rotation was being slowed by the friction between the oceans and the ocean floor. This will continue to happen until Earth's tidal bulges align with an imaginary line running through the center of the Earth/Moon system then Earth's rotation will cease slowing down. This will take a few billion years but when it does happen: Earth's day will be a month long (960 hours a day) and our month will be forth days long! By then the Moon will be twenty-five percent farther away. If we were on the Moon looking back at Earth – we would see the same face of Earth – just as now we see only one face of the Moon. And if someone were still on Earth: the Moon will have moved far enough away that it appears much smaller – and there are no more solar eclipses!

We have yet to answer that question about a cosmic coincidence. Do we “just happen” to be here on Earth when the Moon is close enough to give us tides, and slowed the Earth's rotation until we have a twenty-four hour day and thirty day month? Some scientists believe that it may be thanks to the Moon that we are here at all.

Although the Moon is slowing down Earth's rotation, it has stabilized it as well. If we had no moon, we would suffer movement of the Earth's poles, an axial tilt of up to ninety degrees, causing major climate swings. Some scientists believe that under those circumstances: intelligent life simply could not have evolved.

It is hard to imagine that our world as we know it, and all that is familiar to us, would likely not exist if not for the Moon. We may truly owe our lives to a lunar legacy.

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25default Re: When the earth stops... on March 5th 2015, 2:34 pm

Xerneas

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that can be something new. oh well this would be interesting.


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