How many tonnes of TNT is required to destroy jupiter?
825719
This is impossible even if Jupiter was made entirely of TNT.  Read on for my argument.\n\nYou can calculate the gravitational binding energy of Jupiter roughly by assuming it is an isothermal sphere in hydrostatic equilibrium (uniform temperature, pressure balanced).  In this case the binding energy (the amount of energy to disrupt it) is \n\n1/2*G*M_j^2/R_j  \n\nwhere G is the newtonian gravitational constant, M_j is the mass ofJupiter and R_j is its radius. This calculates out to  3.2*10^36 joules.\n\nOne metric ton of TNT can release 4.6E*10^6 Joules of energy. Multiply this by the mass of Jupiter and if Jupiter was MADE of TNT you can only get 8.7*10^33 Joules out of combusting it.  This is almost 1000 times too little energy to disrupt the planet.\n\nJupiter could be MADE ENTIRELY FROM TNT and it would still be gravitationally bound after combustion. While the assumptions above (hydrostatic equilbrium and isothermal) are not entirely correct, you will not find 2.5 orders of magnitude difference between that model and the binding energy of the real deal.
463105
Earth gains about 40,000 tons of mass each year from infalling cometary debris and meteorites.\n\nGod should be spelled B-I-G B-A-N-G\nPBrax@netscape.com
731974
You should be doing your own homework.\n\nYou need to know the diameter of Jupiter in meters.\nConvert that number of meters to AU.\nUse the definition of "sin" (or "tan").\nOne second of arc is 1/3600 of a degree.
257364
When an atomic bomb detonates, a nuclear fission reaction occurs which actually transforms a very small amount of mass into energy.\nUsing the well-known formula,\nE=mc^2,\nwe can calculate the amount of energy associated with that mass that is "lost".\n\nOnly a very very tiny amount of mass is actually trasformed into energy in the reaction, but since that mass is multiplied by such a huge number (the speed of light squared), the energy released is gigantic.\n\nUsually, A-bomb yeilds are given in terms of [kilo / mega] tons of TNT to measure the energy given off.\nThe yeild on the atomic bomb detonated over Hiroshima Japan in 1945 ('Little Boy') was about 16 kilotons of TNT [high end estimate].  1 ton of TNT releases about 4.25 E9 Joules of energy.  Using this conversion, we can calculate that the Hiroshima bomb released about 6.8 E13 Joules.  By comparison, the entire average enegry consumption of the United States per year is on the order of 10 to the 20 Joules, so 1 A-bomb packs a pretty good punch.\n\nSince 1945, atomic bombs have gotton much MUCH more powerful in addition to the Hydrogen bomb which is exceedingly more powerful than the atomic bomb.
617519
I worry more about mass extinction events like an asteroid impact or finding out that giant aliens have just been raising humanity as a food source to harvest en masse. Bird flu might do a job on us or some alien organism brought back by space exploration which our bodies are unable to manufacture antibodies. Maybe global nuclear conflict will leave the earth a smoking glow-in-the-dark beacon rotating and wobbling in the solar system. Excuse me I have to go find my aluminum foil hat to block the gamma rays. Wait what if planet Jupiter is a brown dwarf star and decides to go nova? What if the sun flames out? What if the magma in the earth's crust makes the poles flip positions? .........
748818
Your density will be similar to whatever material makes up the planet.  For instance, Mars is mostly rock, with some iron ore.  I'd guess the density is on the order of 2.5 g/cm3.  Jupiter is made up of mostly dense gases.  I'd guess given the temp, that the density is slightly higher than that of water, like 1.3 g/cm3.\n\nVolume on the other hand.......are you kidding?  You seriously want it in cm3????  You'll run out of room on your paper writing zeros.
766993
Jupiter is 2.5 times more massive than all the other planets combined. It is 318 times more massive than Earth, with a diameter 11 times that of Earth, and its volume is 1300 times as great as that of Earth.
47332
Find the radius from the diameter by dividing it by 2.  So r = 44000 miles\n\nSurface area of any sphere = 4 * pi * r * r\n\npi = 22/7\n \nPlug in the values and you will get the surface area of Jupiter.
373196
If earth's gravity is 1, Jupiter's gravitational pull is 2.64 times that of earth, So the fall would be much faster. The gravitational pull on Jupiter is over 2 and a half times stronger than Earth's. Imagine a roller coaster falling twice as fast!\n  \nThe gravitational pull of Mercury is .38 times that of earth. \nOn Mercury the gravity is so small that the fall would have to be about three times as long to get the same speed as on Earth.
527301
Difficult to say for certain. Some possibilities include:\n\nSwallowed up as the Sun enters red giant stage\nYou will need: patience\n\nMethod: 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.\n\nEarth's final resting place: Boiling red iron in the heart of the Sun.\n\nFeasibility 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.\n\nEarliest feasible completion date: AD 5,000,000,000\n\nTorn a new one\nYou will need: about half as much patience\n\nMethod: 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 negative enough (buh?), then 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?\n\nEarth's final resting place: HAH! If I knew that, I wouldn't need aftershave.\n\nFeasibility rating: 8/10. Likely. Assumes the Big Rip theory is correct, which it probably is, but might not be.\n\nEarliest feasible completion date: AD 20,000,000,000, assuming w = -3/2 (could vary)\n\nSource: 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.\n\nDecayed\nYou will need: all-surpassing patience\n\nMethod: 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.\n\nA 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.\n\nEarth's final resting place: Miscellaneous positrons and gamma radiation (pions decay almost instantly into gamma ray photons) scattered thinly across the entire universe.\n\nComments: 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. Essenti
819014
The first impact occurred at 20:15 UTC on July 16, 1994, when fragment A of the nucleus slammed into Jupiter's southern hemisphere at a speed of about 60 km/s. Instruments on Galileo detected a fireball which reached a peak temperature of about 24,000 K, compared to the typical Jovian cloudtop temperature of about 130 K, before expanding and cooling rapidly to about 1500 K after 40 s. The plume from the fireball quickly reached a height of over 3,000 km [3]. A few minutes after the impact fireball was detected, Galileo measured renewed heating, probably due to ejected material falling back onto the planet. Earth-based observers detected the fireball rising over the limb of the planet shortly after the initial impact [4].\n\nAstronomers had expected to see the fireballs from the impacts, but did not have any idea in advance how visible the atmospheric effects of the impacts would be from Earth. Observers soon saw a huge dark spot after the first impact. The spot was visible even in very small telescopes, and was about 6,000 km (one Earth radius) across. This and subsequent dark spots were thought to have been caused by debris from the impacts, and were markedly asymmetric, forming crescent shapes in front of the direction of impact.\n\nOver the next 6 days, 21 discrete impacts were observed, with the largest coming on July 18 at 07:34 UTC when fragment G struck Jupiter. This impact created a giant dark spot over 12,000 km across, and was estimated to have released an energy equivalent to 6,000,000 megatons of TNT (750 times the world's nuclear arsenal). Two impacts 12 hours apart on July 19 created impact marks of similar size to that caused by fragment G, and impacts continued until July 22, when fragment W struck the planet.\n\n\nId imagine that a fair bit of the earth would of been wiped out given those figures
106984
They're going to use the "Slingshot" method around Jupiter to give it that extra thrust that would be needed.  Since they calculated that there would be nothing in the path if they used that approach right now, it will be able to make it without outside influences (the gravity of the sun is already calculated in).
652156
jupiter, i think it has 12
841306
About a 1000 Megatons!
426109
5.98 x 1024 kg (nearly 6,000 billion billion metric tons)
934797
Jupiter has a diameter equal to 11.2 times the diameter of Earth.  In terms of volume, the ratio is 11.2^3 = 1405.
191019
http://nssdc.gsfc.nasa.gov/planetary/factsheet/jupiterfact.html