ways Earth can be destroyed

Topic started by The Iron Spider on March 3, 2008. Last post by Zenma 1 year, 8 months ago.
Post by Dreadnaught (20,368 posts) See mini bio

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Methos says:

"Destroying the earth comes down to basic gravity, if an object about the size of the moon were to collied with Earth it would disrupt the orbit and send it on a slow circular path towards the sun...all life on earth would cease a few years before the earth was burnt up from the radiation and heat from the sun though, but the earth would eventually be engulfed by the sun destroying it utterly.M"

The earth took a planet the size of mars, %11 of it's mass, The moon is merely 1/80th, and when the earth was struck, it did not fall into the sun.



Post by Methos (41,324 posts) See mini bio

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Moderator

Dreadnaught says:

"The earth took a planet the size of mars, %11 of it's mass, The moon is merely 1/80th, and when the earth was struck, it did not fall into the sun."

you're talking about the basic creation of the earth and moon which was before full gravity had taken effect, when the object (unknown what it was) hit the earth it was still pretty much molten during that time, as such the impact did not send enough force through the earth to alter it's orbit but rather 'merged' the two objects in a coalescent mass and broke off the rest of the molten slag to become the moon.

the difference here is that the earth isn't in a molten state anymore as the impact would have more force than it would have had on a liquid or molten planet.

M



Post by Dreadnaught (20,368 posts) See mini bio

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Dreadnaught says:

"Methos says:
"Destroying the earth comes down to basic gravity, if an object about the size of the moon were to collied with Earth it would disrupt the orbit and send it on a slow circular path towards the sun...all life on earth would cease a few years before the earth was burnt up from the radiation and heat from the sun though, but the earth would eventually be engulfed by the sun destroying it utterly.M"

The earth took a planet the size of mars, %11 of it's mass, The moon is merely 1/80th, and when the earth was struck, it did not fall into the sun. "

Also, sending the earth to Jupiter would need less energy and would work just as well, the earth like any other object in Jupiter's air space would be torn apart by it's gravitational pull and the remains would burn up and make a enormous

explosion, there, earth is gone.



Post by Zenma (4,592 posts) See mini bio

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Dreadnaught says:

"Zenma says:
"Dreadnaught says:
"MotorSteel says:
"Superboy-Prime 10000 says:
"Karung The Conjourer says:
"Tons and Tons of nuclear missiles in the Earth's core"

Won't work.The energy that our core emits is the equivalent energy of five trillion one megaton bombs going off,which is the energy the sun emits in 100 seconds. It's about 500 million times the explosive energy of every single nuclear weapon on the Earth."

So in theory, what what happen if someone was stupid enough to do it? Would it have no effect and just explode killing mankind? lol :P"

Yes, and also for the moon thing, A planet the size of mars hit the earth creating the moon, The moon would hardly do the same. And for the god thing, try something scientific. And Zemna the earth's core is already solid, it cannot melt due to the pressure."

i meant cooled down as in not active"

The earth would survive, Venus' core is practically dead, The earth can manage. And you would need 25,000,000,000,000 metric tons of anti-matter to shatter the earth to the point where gravity won't pull it back together, and that is the equivalent of far far more nukes than man kind could ever build using nuclear fusion and fission.

"

well the earth can survive but not the people or any other advanced life forms. and for anti-matter you need at least equal size and mass or turn half of the earth into anti-matter.

the most possible way is a very bad experiment going wrong during a particle accelerator being activated to find out about how black holes work. this creates a small black hole called stranglets and it'll suck in every matter of earth very soon which leads to destroying it...the scary part is that it can happen and there are particle accelerators built to create very, very small black holes, but it'll evaporate very quickly that is if there isn't any flukes



Post by Dreadnaught (20,368 posts) See mini bio

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Zenma says:

"Dreadnaught says:
"Zenma says:
"Dreadnaught says:
"MotorSteel says:
"Superboy-Prime 10000 says:
"Karung The Conjourer says:
"Tons and Tons of nuclear missiles in the Earth's core"

Won't work.The energy that our core emits is the equivalent energy of five trillion one megaton bombs going off,which is the energy the sun emits in 100 seconds. It's about 500 million times the explosive energy of every single nuclear weapon on the Earth."

So in theory, what what happen if someone was stupid enough to do it? Would it have no effect and just explode killing mankind? lol :P"

Yes, and also for the moon thing, A planet the size of mars hit the earth creating the moon, The moon would hardly do the same. And for the god thing, try something scientific. And Zemna the earth's core is already solid, it cannot melt due to the pressure."

i meant cooled down as in not active"

The earth would survive, Venus' core is practically dead, The earth can manage. And you would need 25,000,000,000,000 metric tons of anti-matter to shatter the earth to the point where gravity won't pull it back together, and that is the equivalent of far far more nukes than man kind could ever build using nuclear fusion and fission.

"

well the earth can survive but not the people or any other advanced life forms. and for anti-matter you need at least equal size and mass or turn half of the earth into anti-matter.

the most possible way is a very bad experiment going wrong during a particle accelerator being activated to find out about how black holes work. this creates a small black hole called stranglets and it'll suck in every matter of earth very soon which leads to destroying it...the scary part is that it can happen and there are particle accelerators built to create very, very small black holes, but it'll evaporate very quickly that is if there isn't any flukes"

Actually 25,000,000,000,000 metric tons of it would generate a large enough explosion to shatter but not completely destroy the earth, if you used an equal sized piece of anti-matter, well then, Kiss the inner solar system good bye.



Post by Dreadnaught (20,368 posts) See mini bio

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Zenma says:

"Dreadnaught says:
"Zenma says:
"Dreadnaught says:
"Zenma says:
"Dreadnaught says:
"MotorSteel says:
"Superboy-Prime 10000 says:
"Karung The Conjourer says:
"Tons and Tons of nuclear missiles in the Earth's core"

Won't work.The energy that our core emits is the equivalent energy of five trillion one megaton bombs going off,which is the energy the sun emits in 100 seconds. It's about 500 million times the explosive energy of every single nuclear weapon on the Earth."

So in theory, what what happen if someone was stupid enough to do it? Would it have no effect and just explode killing mankind? lol :P"

Yes, and also for the moon thing, A planet the size of mars hit the earth creating the moon, The moon would hardly do the same. And for the god thing, try something scientific. And Zemna the earth's core is already solid, it cannot melt due to the pressure."

i meant cooled down as in not active"

The earth would survive, Venus' core is practically dead, The earth can manage. And you would need 25,000,000,000,000 metric tons of anti-matter to shatter the earth to the point where gravity won't pull it back together, and that is the equivalent of far far more nukes than man kind could ever build using nuclear fusion and fission.

"

well the earth can survive but not the people or any other advanced life forms. and for anti-matter you need at least equal size and mass or turn half of the earth into anti-matter.

the most possible way is a very bad experiment going wrong during a particle accelerator being activated to find out about how black holes work. this creates a small black hole called stranglets and it'll suck in every matter of earth very soon which leads to destroying it...the scary part is that it can happen and there are particle accelerators built to create very, very small black holes, but it'll evaporate very quickly that is if there isn't any flukes"

Actually 25,000,000,000,000 metric tons of it would generate a large enough explosion to shatter but not completely destroy the earth, if you used an equal sized piece of anti-matter, well then, Kiss the inner solar system good bye.

"

yeah but too bad it can't happen due to the fact that it'll cost more than $300 billion dollars to produce one gram of anti-matter and it takes so long also it is very limited on storage because you can only use electric-magnetic fields to contain it, so containing 25,000,000,000 metric tons of anti-matter is impossible on Earth, but if in space then hmm...."

You forgot three zeroes.

Here are fallback methods.

Total existence failure

You will need: nothing

Method: No method. Simply sit back and twiddle your thumbs as, completely by chance, all two hundred thousand million million million million billion trillion atoms making up the planet Earth suddenly, simultaneously and spontaneously cease to exist. Note: the odds against this actually ever occuring are considerably greater than a googolplex (1010100) to one. Failing this, some kind of arcane (read: scientifically laughable) probability-manipulation device may be employed.

Current feasibility rating: 0/10. Even if you look at the significantly greater probability of the Earth randomly rearranging itself into separate two planets, this is utter, utter rubbish.

Source: Life, The Universe And Everything, by Douglas Adams.

Written off in the backlash from a stellar collision

You will need: another star. White dwarf is good, but we're not fussy.

Method: Crash your star into the Sun.

The interactions between the two stars in this very violent stellar event will cause more fusion to occur inside the Sun than normally does in 100,000,000 years. The result is not unlike a supernova explosion, though slower - a staggering amount of matter and energy is released outwards, burning the Earth to a crisp and firing it into interstellar space at best, completely incinerating it at worst.

Earth's final resting place: burnt pieces.

Feasibility rating: 4/10. This is listed under natural methods because there is absolutely no way you can move a star. Well, there are ways and means, but if you can move a star, why not move the Earth into that star? And the chances of this happening - even considering that in two billion years' time the Milky Way is going to collide with Andromeda - are very, very slim. Calculations suggest that the number of actual stellar collisions that are likely to occur in that exchange will be SIX. Six chances in about a hundred billion.

Hmm. That's actually pretty high for this list. Make it 5/10.

Source: This method suggested by Eric Thompson.

Comments: See the supernova entry below for more about this Andromeda collision.

Swallowed up as the Sun enters red giant stage

You will need: patience

Method: Simply wait for roughly 5,000,000,000 years. During its natural progress along the Main Sequence, the Sun will exhaust its initial reserves of hydrogen fuel and expand into a red giant star - swallowing up Mercury, Venus, Earth and Mars in the process.

Earth's final resting place: Boiling red iron in the heart of the Sun.

Feasibility rating: 8/10. The problem here is that current scientific theories predict the Earth will probably survive. The increasing solar wind combined with the Sun's decreasing mass will result in the Earth gradually moving out to a wider, cooler, safer orbit.

Crunched

You will need: considerably more patience

Method: Our universe is rapidly expanding in all directions. It will likely continue to do so for a very, very long time. After that time, if the density of matter in the universe is greater than a certain critical value, the universe will slow to a stop due to mutual gravitational attraction, and, roughly 42,000,000,000 years from now, collapse back together again, in a reversal of the Big Bang called the Big Crunch. Conditions during the Big Crunch will be similar to those during the Big Bang: mind-boggling heat, matter ripped to subatomic particles, fundamental forces such as gravitation and electromagnetism merging back together, that sort of thing. Yes, Earth would be destroyed. So would the rest of the universe. A tiny sphere of iron stands little chance against conditions like that.

Earth's final resting place: Quark-gluon plasma? Pure energy? Part of the next universe?

Feasibility rating: 8/10. Plausible. Assumes that the Big Crunch will actually occur at all, which is currently in question.

Source: Nick Snell suggested this method.

Torn a new one

You will need: about half as much patience

Method: Recent experimental results seem to show that the expansion of the universe is not slowing as one might imagine it would. In fact, the expansion is accelerating. It's a bit early to say with confidence why this is happening, though phrases like "dark matter" and "phantom energy" pop up pretty frequently, but anyway, it's conjectured that if the ratio w of dark energy pressure to dark energy density in the universe is around -3/2 (buh?), then something of the order of 20,000,000,000 years from now, the universe would expand, accelerating in its expansion until it was ripped apart at the seams. To quote Wikipedia's entry: "First the galaxies would be separated from each other, then gravity would be too weak to hold individual galaxies together. Approximately three months before the end, solar systems will be gravitationally unbound. In the last minutes, stars and planets will come apart, and atoms will be destroyed a fraction of a second before the end of time." Cool, eh?

Earth's final resting place: HAH! If I knew that, I wouldn't need aftershave.

Feasibility rating: 8/10. Likely. Assumes the Big Rip theory is correct, which it probably is, but might not be.

Source: a theory proposed by Robert R. Caldwell, Marc Kamionkowski, and Nevin N. Weinberg in February 2003. Read it here (PDF warning! Also, dense, difficult physics!). Brought to my attention by Jonah Safar and nanite.

Decayed

You will need: all-surpassing patience

Method: If the Big Crunch doesn't happen, and the Big Rip doesn't happen either, then we come back to the third option: the Big Chill. For this, the universe will just expand, forever. The laws of thermodynamics take over. Every galaxy becomes isolated from its neighbours. All the stars burn out. Everything gets colder until it's all the same temperature. And after that, nothing ever changes in the universe. For eternity.

A lot can happen in an eternity. Protons, for example, while incredibly stable, are believed to eventually decay like any other particle. So simply wait for a period of time of the order of 1,000,000,000,000,000,000,000,000,000,000,000,000 years, and roughly half of the constituent particles of Earth will have decayed into positrons and pions. If that's still too much like a planet for you, you could wait for another 1036 years, leaving only a quarter of the original Earth. Or wait even longer. Eventually there will be as little of Earth left as you wish.

Earth's final resting place: Miscellaneous positrons and gamma radiation (pions decay almost instantly into gamma ray photons) scattered thinly across the entire universe.

Comments: It's interesting to compare this method with the one right at the top (total existence failure). What we are essentially doing here is almost exactly the same thing, only instead of expecting every particle to disappear at once, we are waiting patiently for a significant proportion of them to disappear, one at a time, over the course of an unimaginable period of time. Essentially we've come full circle. The scientific theories involved are the same, it's just the time scale being considered which changes the feasibility rating from "astoundingly improbable" to:

Feasibility rating: 9/10. If all else fails, this one would be essentially unstoppable...



Post by Zenma (4,592 posts) See mini bio

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Dreadnaught says:

"Zenma says:
"Dreadnaught says:
"Zenma says:
"Dreadnaught says:
"MotorSteel says:
"Superboy-Prime 10000 says:
"Karung The Conjourer says:
"Tons and Tons of nuclear missiles in the Earth's core"

Won't work.The energy that our core emits is the equivalent energy of five trillion one megaton bombs going off,which is the energy the sun emits in 100 seconds. It's about 500 million times the explosive energy of every single nuclear weapon on the Earth."

So in theory, what what happen if someone was stupid enough to do it? Would it have no effect and just explode killing mankind? lol :P"

Yes, and also for the moon thing, A planet the size of mars hit the earth creating the moon, The moon would hardly do the same. And for the god thing, try something scientific. And Zemna the earth's core is already solid, it cannot melt due to the pressure."

i meant cooled down as in not active"

The earth would survive, Venus' core is practically dead, The earth can manage. And you would need 25,000,000,000,000 metric tons of anti-matter to shatter the earth to the point where gravity won't pull it back together, and that is the equivalent of far far more nukes than man kind could ever build using nuclear fusion and fission.

"

well the earth can survive but not the people or any other advanced life forms. and for anti-matter you need at least equal size and mass or turn half of the earth into anti-matter.

the most possible way is a very bad experiment going wrong during a particle accelerator being activated to find out about how black holes work. this creates a small black hole called stranglets and it'll suck in every matter of earth very soon which leads to destroying it...the scary part is that it can happen and there are particle accelerators built to create very, very small black holes, but it'll evaporate very quickly that is if there isn't any flukes"

Actually 25,000,000,000,000 metric tons of it would generate a large enough explosion to shatter but not completely destroy the earth, if you used an equal sized piece of anti-matter, well then, Kiss the inner solar system good bye.

"

yeah but too bad it can't happen due to the fact that it'll cost more than $300 billion dollars to produce one gram of anti-matter and it takes so long also it is very limited on storage because you can only use electric-magnetic fields to contain it, so containing 25,000,000,000 metric tons of anti-matter is impossible on Earth, but if in space then hmm....



Post by Zenma (4,592 posts) See mini bio

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that's a lot.........GOD



Post by NEW VENOM (915 posts) See mini bio

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People keep fighting over Hannah Montana tickets half of earths population dies in a big fight then the wives are home to make their husbands watch soap oprahs insted of breaking their backs over tickets.The kids are forced to watch Richard Simmons videos after disney goes broke



Post by NEW VENOM (915 posts) See mini bio

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Dreadnaught says:

"Zenma says:
"Dreadnaught says:
"Zenma says:
"Dreadnaught says:
"Zenma says:
"Dreadnaught says:
"MotorSteel says:
"Superboy-Prime 10000 says:
"Karung The Conjourer says:
"Tons and Tons of nuclear missiles in the Earth's core"
Won't work.The energy that our core emits is the equivalent energy of five trillion one megaton bombs going off,which is the energy the sun emits in 100 seconds. It's about 500 million times the explosive energy of every single nuclear weapon on the Earth."
So in theory, what what happen if someone was stupid enough to do it? Would it have no effect and just explode killing mankind? lol :P"
Yes, and also for the moon thing, A planet the size of mars hit the earth creating the moon, The moon would hardly do the same. And for the god thing, try something scientific. And Zemna the earth's core is already solid, it cannot melt due to the pressure."
i meant cooled down as in not active"
The earth would survive, Venus' core is practically dead, The earth can manage. And you would need 25,000,000,000,000 metric tons of anti-matter to shatter the earth to the point where gravity won't pull it back together, and that is the equivalent of far far more nukes than man kind could ever build using nuclear fusion and fission. "
well the earth can survive but not the people or any other advanced life forms. and for anti-matter you need at least equal size and mass or turn half of the earth into anti-matter. the most possible way is a very bad experiment going wrong during a particle accelerator being activated to find out about how black holes work. this creates a small black hole called stranglets and it'll suck in every matter of earth very soon which leads to destroying it...the scary part is that it can happen and there are particle accelerators built to create very, very small black holes, but it'll evaporate very quickly that is if there isn't any flukes"
Actually 25,000,000,000,000 metric tons of it would generate a large enough explosion to shatter but not completely destroy the earth, if you used an equal sized piece of anti-matter, well then, Kiss the inner solar system good bye. "
yeah but too bad it can't happen due to the fact that it'll cost more than $300 billion dollars to produce one gram of anti-matter and it takes so long also it is very limited on storage because you can only use electric-magnetic fields to contain it, so containing 25,000,000,000 metric tons of anti-matter is impossible on Earth, but if in space then hmm...."
You forgot three zeroes. Here are fallback methods. # Total existence failure You will need: nothing Method: No method. Simply sit back and twiddle your thumbs as, completely by chance, all two hundred thousand million million million million billion trillion atoms making up the planet Earth suddenly, simultaneously and spontaneously cease to exist. Note: the odds against this actually ever occuring are considerably greater than a googolplex (1010100) to one. Failing this, some kind of arcane (read: scientifically laughable) probability-manipulation device may be employed. Current feasibility rating: 0/10. Even if you look at the significantly greater probability of the Earth randomly rearranging itself into separate two planets, this is utter, utter rubbish. Source: Life, The Universe And Everything, by Douglas Adams. # Written off in the backlash from a stellar collision You will need: another star. White dwarf is good, but we're not fussy. Method: Crash your star into the Sun. The interactions between the two stars in this very violent stellar event will cause more fusion to occur inside the Sun than normally does in 100,000,000 years. The result is not unlike a supernova explosion, though slower - a staggering amount of matter and energy is released outwards, burning the Earth to a crisp and firing it into interstellar space at best, completely incinerating it at worst. Earth's final resting place: burnt pieces. Feasibility rating: 4/10. This is listed under natural methods because there is absolutely no way you can move a star. Well, there are ways and means, but if you can move a star, why not move the Earth into that star? And the chances of this happening - even considering that in two billion years' time the Milky Way is going to collide with Andromeda - are very, very slim. Calculations suggest that the number of actual stellar collisions that are likely to occur in that exchange will be SIX. Six chances in about a hundred billion. Hmm. That's actually pretty high for this list. Make it 5/10. Source: This method suggested by Eric Thompson. Comments: See the supernova entry below for more about this Andromeda collision. # Swallowed up as the Sun enters red giant stage You will need: patience Method: Simply wait for roughly 5,000,000,000 years. During its natural progress along the Main Sequence, the Sun will exhaust its initial reserves of hydrogen fuel and expand into a red giant star - swallowing up Mercury, Venus, Earth and Mars in the process. Earth's final resting place: Boiling red iron in the heart of the Sun. Feasibility rating: 8/10. The problem here is that current scientific theories predict the Earth will probably survive. The increasing solar wind combined with the Sun's decreasing mass will result in the Earth gradually moving out to a wider, cooler, safer orbit. # Crunched You will need: considerably more patience Method: Our universe is rapidly expanding in all directions. It will likely continue to do so for a very, very long time. After that time, if the density of matter in the universe is greater than a certain critical value, the universe will slow to a stop due to mutual gravitational attraction, and, roughly 42,000,000,000 years from now, collapse back together again, in a reversal of the Big Bang called the Big Crunch. Conditions during the Big Crunch will be similar to those during the Big Bang: mind-boggling heat, matter ripped to subatomic particles, fundamental forces such as gravitation and electromagnetism merging back together, that sort of thing. Yes, Earth would be destroyed. So would the rest of the universe. A tiny sphere of iron stands little chance against conditions like that. Earth's final resting place: Quark-gluon plasma? Pure energy? Part of the next universe? Feasibility rating: 8/10. Plausible. Assumes that the Big Crunch will actually occur at all, which is currently in question. Source: Nick Snell suggested this method. # Torn a new one You will need: about half as much patience Method: Recent experimental results seem to show that the expansion of the universe is not slowing as one might imagine it would. In fact, the expansion is accelerating. It's a bit early to say with confidence why this is happening, though phrases like "dark matter" and "phantom energy" pop up pretty frequently, but anyway, it's conjectured that if the ratio w of dark energy pressure to dark energy density in the universe is around -3/2 (buh?), then something of the order of 20,000,000,000 years from now, the universe would expand, accelerating in its expansion until it was ripped apart at the seams. To quote Wikipedia's entry: "First the galaxies would be separated from each other, then gravity would be too weak to hold individual galaxies together. Approximately three months before the end, solar systems will be gravitationally unbound. In the last minutes, stars and planets will come apart, and atoms will be destroyed a fraction of a second before the end of time." Cool, eh? Earth's final resting place: HAH! If I knew that, I wouldn't need aftershave. Feasibility rating: 8/10. Likely. Assumes the Big Rip theory is correct, which it probably is, but might not be. Source: a theory proposed by Robert R. Caldwell, Marc Kamionkowski, and Nevin N. Weinberg in February 2003. Read it here (PDF warning! Also, dense, difficult physics!). Brought to my attention by Jonah Safar and nanite. # Decayed You will need: all-surpassing patience Method: If the Big Crunch doesn't happen, and the Big Rip doesn't happen either, then we come back to the third option: the Big Chill. For this, the universe will just expand, forever. The laws of thermodynamics take over. Every galaxy becomes isolated from its neighbours. All the stars burn out. Everything gets colder until it's all the same temperature. And after that, nothing ever changes in the universe. For eternity. A lot can happen in an eternity. Protons, for example, while incredibly stable, are believed to eventually decay like any other particle. So simply wait for a period of time of the order of 1,000,000,000,000,000,000,000,000,000,000,000,000 years, and roughly half of the constituent particles of Earth will have decayed into positrons and pions. If that's still too much like a planet for you, you could wait for another 1036 years, leaving only a quarter of the original Earth. Or wait even longer. Eventually there will be as little of Earth left as you wish. Earth's final resting place: Miscellaneous positrons and gamma radiation (pions decay almost instantly into gamma ray photons) scattered thinly across the entire universe. Comments: It's interesting to compare this method with the one right at the top (total existence failure). What we are essentially doing here is almost exactly the same thing, only instead of expecting every particle to disappear at once, we are waiting patiently for a significant proportion of them to disappear, one at a time, over the course of an unimaginable period of time. Essentially we've come full circle. The scientific theories involved are the same, it's just the time scale being considered which changes the feasibility rating from "astoundingly improbable" to: Feasibility rating: 9/10. If all else fails, this one would be essentially unstoppable..."
you really took your time to get all that


Post by Zenma (4,592 posts) See mini bio

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NEW VENOM says:

"Dreadnaught says:
"Zenma says:
"Dreadnaught says:
"Zenma says:
"Dreadnaught says:
"Zenma says:
"Dreadnaught says:
"MotorSteel says:
"Superboy-Prime 10000 says:
"Karung The Conjourer says:
"Tons and Tons of nuclear missiles in the Earth's core"
Won't work.The energy that our core emits is the equivalent energy of five trillion one megaton bombs going off,which is the energy the sun emits in 100 seconds. It's about 500 million times the explosive energy of every single nuclear weapon on the Earth."
So in theory, what what happen if someone was stupid enough to do it? Would it have no effect and just explode killing mankind? lol :P"
Yes, and also for the moon thing, A planet the size of mars hit the earth creating the moon, The moon would hardly do the same. And for the god thing, try something scientific. And Zemna the earth's core is already solid, it cannot melt due to the pressure."
i meant cooled down as in not active"
The earth would survive, Venus' core is practically dead, The earth can manage. And you would need 25,000,000,000,000 metric tons of anti-matter to shatter the earth to the point where gravity won't pull it back together, and that is the equivalent of far far more nukes than man kind could ever build using nuclear fusion and fission. "
well the earth can survive but not the people or any other advanced life forms. and for anti-matter you need at least equal size and mass or turn half of the earth into anti-matter. the most possible way is a very bad experiment going wrong during a particle accelerator being activated to find out about how black holes work. this creates a small black hole called stranglets and it'll suck in every matter of earth very soon which leads to destroying it...the scary part is that it can happen and there are particle accelerators built to create very, very small black holes, but it'll evaporate very quickly that is if there isn't any flukes"
Actually 25,000,000,000,000 metric tons of it would generate a large enough explosion to shatter but not completely destroy the earth, if you used an equal sized piece of anti-matter, well then, Kiss the inner solar system good bye. "
yeah but too bad it can't happen due to the fact that it'll cost more than $300 billion dollars to produce one gram of anti-matter and it takes so long also it is very limited on storage because you can only use electric-magnetic fields to contain it, so containing 25,000,000,000 metric tons of anti-matter is impossible on Earth, but if in space then hmm...."
You forgot three zeroes. Here are fallback methods. # Total existence failure You will need: nothing Method: No method. Simply sit back and twiddle your thumbs as, completely by chance, all two hundred thousand million million million million billion trillion atoms making up the planet Earth suddenly, simultaneously and spontaneously cease to exist. Note: the odds against this actually ever occuring are considerably greater than a googolplex (1010100) to one. Failing this, some kind of arcane (read: scientifically laughable) probability-manipulation device may be employed. Current feasibility rating: 0/10. Even if you look at the significantly greater probability of the Earth randomly rearranging itself into separate two planets, this is utter, utter rubbish. Source: Life, The Universe And Everything, by Douglas Adams. # Written off in the backlash from a stellar collision You will need: another star. White dwarf is good, but we're not fussy. Method: Crash your star into the Sun. The interactions between the two stars in this very violent stellar event will cause more fusion to occur inside the Sun than normally does in 100,000,000 years. The result is not unlike a supernova explosion, though slower - a staggering amount of matter and energy is released outwards, burning the Earth to a crisp and firing it into interstellar space at best, completely incinerating it at worst. Earth's final resting place: burnt pieces. Feasibility rating: 4/10. This is listed under natural methods because there is absolutely no way you can move a star. Well, there are ways and means, but if you can move a star, why not move the Earth into that star? And the chances of this happening - even considering that in two billion years' time the Milky Way is going to collide with Andromeda - are very, very slim. Calculations suggest that the number of actual stellar collisions that are likely to occur in that exchange will be SIX. Six chances in about a hundred billion. Hmm. That's actually pretty high for this list. Make it 5/10. Source: This method suggested by Eric Thompson. Comments: See the supernova entry below for more about this Andromeda collision. # Swallowed up as the Sun enters red giant stage You will need: patience Method: Simply wait for roughly 5,000,000,000 years. During its natural progress along the Main Sequence, the Sun will exhaust its initial reserves of hydrogen fuel and expand into a red giant star - swallowing up Mercury, Venus, Earth and Mars in the process. Earth's final resting place: Boiling red iron in the heart of the Sun. Feasibility rating: 8/10. The problem here is that current scientific theories predict the Earth will probably survive. The increasing solar wind combined with the Sun's decreasing mass will result in the Earth gradually moving out to a wider, cooler, safer orbit. # Crunched You will need: considerably more patience Method: Our universe is rapidly expanding in all directions. It will likely continue to do so for a very, very long time. After that time, if the density of matter in the universe is greater than a certain critical value, the universe will slow to a stop due to mutual gravitational attraction, and, roughly 42,000,000,000 years from now, collapse back together again, in a reversal of the Big Bang called the Big Crunch. Conditions during the Big Crunch will be similar to those during the Big Bang: mind-boggling heat, matter ripped to subatomic particles, fundamental forces such as gravitation and electromagnetism merging back together, that sort of thing. Yes, Earth would be destroyed. So would the rest of the universe. A tiny sphere of iron stands little chance against conditions like that. Earth's final resting place: Quark-gluon plasma? Pure energy? Part of the next universe? Feasibility rating: 8/10. Plausible. Assumes that the Big Crunch will actually occur at all, which is currently in question. Source: Nick Snell suggested this method. # Torn a new one You will need: about half as much patience Method: Recent experimental results seem to show that the expansion of the universe is not slowing as one might imagine it would. In fact, the expansion is accelerating. It's a bit early to say with confidence why this is happening, though phrases like "dark matter" and "phantom energy" pop up pretty frequently, but anyway, it's conjectured that if the ratio w of dark energy pressure to dark energy density in the universe is around -3/2 (buh?), then something of the order of 20,000,000,000 years from now, the universe would expand, accelerating in its expansion until it was ripped apart at the seams. To quote Wikipedia's entry: "First the galaxies would be separated from each other, then gravity would be too weak to hold individual galaxies together. Approximately three months before the end, solar systems will be gravitationally unbound. In the last minutes, stars and planets will come apart, and atoms will be destroyed a fraction of a second before the end of time." Cool, eh? Earth's final resting place: HAH! If I knew that, I wouldn't need aftershave. Feasibility rating: 8/10. Likely. Assumes the Big Rip theory is correct, which it probably is, but might not be. Source: a theory proposed by Robert R. Caldwell, Marc Kamionkowski, and Nevin N. Weinberg in February 2003. Read it here (PDF warning! Also, dense, difficult physics!). Brought to my attention by Jonah Safar and nanite. # Decayed You will need: all-surpassing patience Method: If the Big Crunch doesn't happen, and the Big Rip doesn't happen either, then we come back to the third option: the Big Chill. For this, the universe will just expand, forever. The laws of thermodynamics take over. Every galaxy becomes isolated from its neighbours. All the stars burn out. Everything gets colder until it's all the same temperature. And after that, nothing ever changes in the universe. For eternity. A lot can happen in an eternity. Protons, for example, while incredibly stable, are believed to eventually decay like any other particle. So simply wait for a period of time of the order of 1,000,000,000,000,000,000,000,000,000,000,000,000 years, and roughly half of the constituent particles of Earth will have decayed into positrons and pions. If that's still too much like a planet for you, you could wait for another 1036 years, leaving only a quarter of the original Earth. Or wait even longer. Eventually there will be as little of Earth left as you wish. Earth's final resting place: Miscellaneous positrons and gamma radiation (pions decay almost instantly into gamma ray photons) scattered thinly across the entire universe. Comments: It's interesting to compare this method with the one right at the top (total existence failure). What we are essentially doing here is almost exactly the same thing, only instead of expecting every particle to disappear at once, we are waiting patiently for a significant proportion of them to disappear, one at a time, over the course of an unimaginable period of time. Essentially we've come full circle. The scientific theories involved are the same, it's just the time scale being considered which changes the feasibility rating from "astoundingly improbable" to: Feasibility rating: 9/10. If all else fails, this one would be essentially unstoppable..."
you really took your time to get all that"

yeah i know