As time goes on, the helium-containing region in the core expands and the maximum temperature increases, causing the Sun's energy output to increase. If we restrict ourselves to the core, even to the innermost, hottest region of the core, we’re still talking about enormous volumes of space, and that makes all the difference. But without the quantum rules that govern the Universe at a fundamental level, fusion wouldn't be possible at all. Many early COVID-19 studies have low-quality design, risk low-value evidence, research finds, NASA’s Insight Mission Proves Mars Is Rocked by Hundreds of Earthquakes, NASA’s New Mission to Titan Is Looking for Life in All the Right Places, Million-Person Genetic Study Finds Gene Patterns Linked to How Long People Stay in School, I Flew in an F-16 With the Air Force and Oh Boy Did It Go Poorly. a density of 150 grams-per-cubic-centimeter, about 150 times the density of water. In terms of raw energy output, nothing on our world compares to our Sun. Why This Week’s Two-Day ‘Cold Christmas Moon’ Is The 13th, Final And Highest Full Moon Of The Year, Perspective On Bad ‘99% COVID-19 Survival Rate’ Arguments Using Weather, How, When And Where You Can See A Full ‘Cold Moon’ This Christmas From Wherever You Are. And this process, for as long as it endures, injects a tremendous amount of energy into a confined volume of space. Look at an efficient fission bomb. That's how, here on Earth, we can produce something â€” albeit just for an instant â€” that truly is hotter than even the center of the Sun. A release of this much energy corresponds to approximately 500 grams of matter being converted into pure energy: an astonishingly large explosion for such a tiny amount of mass. The process of fusion is energetically favorable, meaning that the products are lower in mass than the reactants. The incredible structure will be capable of reaching 100million degrees Celcius – six times hotter than the centre of our Sun. The nuclear explosion compresses and heats the material inside, achieving the high temperatures and densities necessary to ignite that runaway nuclear reaction. Ethan Siegel, Forbes March 30, 2020. The aforementioned Tsar Bomba, the largest nuclear explosion ever to take place on Earth, gave off the equivalent of 50 megatons of TNT: 210 petajoules of energy. For comparison, the Tsar Bomba â€” whose explosion all occurred in a fraction-of-a-second within a volume less than one cubic meter â€” converted more than 2 kg of mass (about 5 pounds' worth) into pure energy. Your Christmas Night Sky Revealed: 12 ‘Christmas Stars’ And What To Point A New Telescope At, Shattered Chromosomes Help Create Drug-Resistant Cancer Cells. For the very core of the Sun, where all of those quantities are at their highest, the Sun has: The anatomy of the Sun, including the inner core, which is the only place where fusion occurs. If you look at total energy, there’s no comparison. But that’s only about 1% of the Sun, by volume. When the fusion reaction begins, those nuclear processes occurring at those extraordinary densities can lead to a chain reaction so powerful that, for a brief moment, the amount of heat-per-particle in a given volume exceeds that of the Sun. Even a few fractions-of-a-second afterwards, the rapid, adiabatic expansion of the gas inside causes the temperature to drop dramatically. But a multi-stage hydrogen bomb, where a fission bomb causes the inner core to compress, achieving higher densities from the compression than even at the Sun's center. Nuclear reactions involving fission or fusion (or both, as in the case of Ivy Mike) can produce tremendously dangerous, long-term radioactive waste, but they also can produce temperatures exceeding those at the Sun's center. At temperatures of 15 million K and matter compressed to densities 150 times as great as liquid water on Earth, it’s hot and dense enough for nuclear fusion to proceed continuously, outputting 300 J of energy each second for every cubic meter of space. Follow me on Twitter @startswithabang. (paper burns at around 233 degrees Celsius.) Nuclear fusion. But in any particular region of space, the rate of fusion is relatively slow. at the incredible temperatures of 15 million K, the maximum achieved in the Sun, the Sun produces less energy-per-unit-volume than a typical human body. Why Do Octopuses Punch Fish? Here’s how. This is the hottest temperature achieved in a star like our Sun. Tokamak Energy has successfully generated heat levels of 27 million degrees Fahrenheit or about 15 million degrees Celsius, taking humanity one more step closer toward achieving the holy grail of nuclear energy. And it’s a reasonable question to ask. The Universe is out there, waiting for you to discover it. And yet, it isn't all about energy. Neither energy nor energy-per-unit-time can successfully explain why atomic bombs can reach higher temperatures than the Sun's core. Mike was the first hydrogen bomb ever tested. The highest temperatures come in the earliest moments of ignition, before the volume of the explosion dramatically increases. That puzzles Paul Dean, who asks: [T]he temperature in the core of our sun is usually cited at 15 million degrees Celsius or so. (Or kelvin, whose units we'll use from now on.) And it's a reasonable question to ask. They both get the overwhelming majority of their energy from nuclear fusion: compressing light nuclei into heavier ones. They are not going to get hotter than the interior of the sun. [...] What I don't get is this: some mid-sized thermonuclear test detonations done by the old Soviet Union and the USA have been recorded at (if only very briefly) 200 or even 300 million degrees Celsius. That to me says, that the core of an H bomb has better conditions for fusion than the core of the sun? I have won numerous awards for science writing. The most powerful nuclear detonations on Earth and the interior of the Sun actually have a lot in common. The physics that governs these nuclear reactions are the same regardless of where they take place: whether inside the Sun or in the critical core region of an atomic bomb explosion. Here's how. In a hydrogen bomb e.. In the desert of New Mexico on 16 July 1945, an international team of scientists succeeded in creating a device that reached temperatures of several hundred million degrees centigrade – far in excess of the 15 million degrees at the Sun’s core. perhaps the most famous example of a fusion weapon ever created, with a 50 megaton yield that far surpasses any other ever developed. and an energy density, as a result, that corresponds to a temperature of 15 million K. the number of fusion reactions in a given amount of (small) volume is much greater. The majority of the Sun's volume is composed of the radiative zone, where temperatures increase from the thousands into the millions of K. At some critical location, temperatures rise past a threshold of around 4 million K, which is the energy threshold necessary for nuclear fusion to begin. Because the Sun is so enormous — its diameter is approximately 1,400,000 kilometers, or over 100 times the diameter of Earth — the total amount of energy and power it produces is spread out over an enormous volume. A UK-based private venture has built a fusion reactor that can generate temperatures that are hotter than the center of the sun. When our Sun runs out of hydrogen fuel in the core, it will contract and heat up to a sufficient degree that helium fusion can begin. In terms of raw energy output, nothing on our world compares to our Sun. these reactions take place over a much shorter amount of time on Earth than in the Sun, and therefore, the total amount of energy released. China’s ‘artificial sun’ experimental fusion reactor has achieved a core plasma temperature over 100 million degrees Celsius — six times hotter than its real counterpart. The center of our Sun tops out at 15 million K, but nuclear bombs can get nearly 20 times hotter. The same thing that happens with a thermonuclear bomb happens during nuclear fusion on the sun. “A nuclear bomb is like bringing a piece of the sun to the surface of the earth for a fraction of a second, and everything within a certain distance would just flash into fire,” Robock said. The majority of fusion occurs in the innermost 20–25% of the Sun, by radius. It’s not even about power, or the energy released in a given amount of time; the Sun has the atomic bomb beaten by a wide margin in that metric as well. test was part of the Operation Castle in 1954, and was one of the strongest (but not THE strongest) Hydrogen bombs ever detonated. Fusion is potentially much cleaner, safer and more efficient than the fission used in nuclear bombs and power stations, which splits heavy elements such as uranium. That puzzles Paul Dean, who asks: [T]he temperature in the core of our sun is usually cited at 15 million degrees Celsius or so. This cutaway showcases the various regions of the surface and interior of the Sun, including the... [+] core, which is where nuclear fusion occurs. The interior of the Sun is one of the most extreme places we can imagine. As you go closer towards the center, the temperature rises and rises, to a peak of 15 million K in the very center. Is a neutron bomb hotter than the sun _____ No, not generally. How can our pithy 3 stage hydrogen bomb blasts be so much hotter than the dense hell of the Sun's monster fusion oven? Fusion is considered the Holy Grail of energy and is what powers our sun. these reactions take place over a much shorter amount of time on Earth than in the Sun, and therefore, the total amount of energy released. Giving off 300 W of power per cubic meter is about the same amount of power that you give off throughout the day in terms of heat energy, burning through your chemical-based fuel to maintain your warm-blooded body temperature. and an energy density, as a result, that corresponds to a temperature of 15 million K. the number of fusion reactions in a given amount of (small) volume is much greater. The process of fusion is energetically favorable, meaning that the products are lower in mass than the reactants. (Or kelvin, whose units we’ll use from now on.) They both get the overwhelming majority of their energy from nuclear fusion: compressing light nuclei into heavier ones. The aforementioned Tsar Bomba, the largest nuclear explosion ever to take place on Earth, gave off the equivalent of 50 megatons of TNT: 210 petajoules of energy. If you look at total energy, there's no comparison. As you go closer towards the center, the temperature rises and rises, to a peak of 15 million K in the very center. For comparison, the Tsar Bomba — whose explosion all occurred in a fraction-of-a-second within a volume less than one cubic meter — converted more than 2 kg of mass (about 5 pounds’ worth) into pure energy. Nuclear reactions involving fission or fusion (or both, as in the case of Ivy Mike) can produce tremendously dangerous, long-term radioactive waste, but they also can produce temperatures exceeding those at the Sun's center. A hydrogen bomb, where a nuclear fission reaction compresses the fuel pellet instead, is an even more extreme version of this, producing greater temperatures than even the center of the Sun. By almost every meaningful metric, the Sun far outclasses anything we can create on Earth, including mass, energy, volume, power, and the sustained output of what is produced. The center of our Sun tops out at 15 million K, but nuclear bombs can get nearly 20 times hotter. The sun is our local star, a great spinning ball of hot, glowing gas that provides light and heat to all the planets in the solar system. The interior of the Sun is one of the most extreme places we can imagine. Comment; Complaint; Link; But a multi-stage hydrogen bomb, where a fission bomb causes the inner core to compress, achieving higher densities from the compression than even at the Sun’s center. With such enormous differences in energy, it might seem like a mistake to conclude that an atomic bomb’s temperature is many times higher than the center of the Sun. Only locations such as the heart of the sun or the center of a nuclear explosion are hotter. But to be honest, the surface of the sun, though hot, is not as amazingly hot as you might think. The Sun emits the equivalent of 4 Ã— 1026 J of energy each second, by comparison, some 2 billion times more energy than the Tsar Bomba gave off. For some brief moments, the temperatures in there can exceed those in the center of the Sun. I am a Ph.D. astrophysicist, author, and science communicator, who professes physics and astronomy at various colleges. Similar temperatures are now routinely and safely generated in nuclear fusion … a power density of about 300 watts-per-cubic-meter, about the same power output as a warm-blooded human's body heat. The physics that governs these nuclear reactions are the same regardless of where they take place: whether inside the Sun or in the critical core region of an atomic bomb explosion. A hydrogen bomb, where a nuclear fission reaction compresses the fuel pellet instead, is an even more extreme version of this, producing greater temperatures than even the center of the Sun. But in terms of temperature, we've got the Sun beat. But there is a physical explanation, and the way to see it for yourself is to think about the volume of the Sun. The incredible structure will be capable of reaching 100million degrees Celcius – six times hotter than the centre of our Sun. Send in your Ask Ethan questions to startswithabang at gmail dot com! “How,” you might wonder, “can a miniature version of the Sun that only ignites for a fraction of a second reach higher temperatures than the very center of the Sun?”. But in a multi-stage atomic bomb, a small fission bomb is placed around material that's suitable for nuclear fusion. On the other hand, the overwhelming majority of the Sun's energy comes from the hottest regions; 99% of the Sun's energy output comes from regions at 10 million K or hotter, despite the fact that such a region makes up only a small percentage of the core's volume. Treknology: The Science of Star Trek from Tricorders to Warp Drive, Beyond the Galaxy: How humanity looked beyond our Milky Way and discovered the entire Universe. That’s the most important realization when it comes to understanding how a terrestrial nuclear explosion can reach higher temperatures, particularly over a very short time interval, than the hottest part of our Sun can. The test was part of the Operation Castle in 1954, and was one of the strongest (but not THE strongest) Hydrogen bombs ever detonated. Posted by 3 years ago. Close. The key thing to look at isn’t just mass, energy, or power, but the density of those quantities. At temperatures of 15 million K and matter compressed to densities 150 times as great as liquid water on Earth, it's hot and dense enough for nuclear fusion to proceed continuously, outputting 300 J of energy each second for every cubic meter of space. The highest temperatures come in the earliest moments of ignition, before the volume of the explosion dramatically increases. As time goes on, the helium-containing region in the core expands and the maximum temperature increases, causing the Sun's energy output to increase. Let’s find out. Similar reactions that convert light elements into heavier ones, releasing energy, are at play in fusion bombs on Earth, too. It’s true: the hottest hydrogen bombs, leveraging the power of nuclear fusion, have indeed achieved temperatures of hundreds of millions of degrees Celsius. While the outer photosphere of the Sun may be at merely 6,000 K, the inner core reaches temperatures as high as 15,000,000 K. "How," you might wonder, "can a miniature version of the Sun that only ignites for a fraction of a second reach higher temperatures than the very center of the Sun?". In terms of raw energy output, nothing on our world compares to our Sun. ... hotter than the centre of the sun. ! The hottest part of any explosion occurs in the initial stages, when the majority of the energy gets released but remains in a very small volume of space. China successfully powered up its “artificial sun” nuclear fusion reactor for the first time, state media reported Friday, marking a great advance in the country’s nuclear power research capabilities. In particular: For a very small amount of time, until adiabatic expansion causes the volume of the explosion to increase and the temperature to drop, a nuclear explosion can out-heat even the center of the Sun. Nuclear bombs can certainly get as hot as the surface of the sun. In terms of the amount of nuclear fusion per unit volume, that’s merely the equivalent of converting about 3 femtograms of mass (3 × 10^–18 kg) into energy each second for each cubic meter of space inside the Sun’s core. China recently turned on a huge nuclear fusion device patterned after the process that takes place inside the sun. At the National Ignition Facility, omnidirectional high-powered lasers compress and heat a pellet of... [+] material to sufficient conditions to initiate nuclear fusion. South Africa plotting to permanently ‘dim’ the SUN in sci-fi plan to avoid running out of water ... to reignite the dying sun with a nuclear bomb in 2057. The majority of fusion occurs in the innermost 20-25% of the Sun, by radius. The mushroom cloud resulting from the nuclear weapon test Bravo (yield 15 Mt) on Bikini Atoll. The Sun emits the equivalent of 4 × 10²⁶ J of energy each second, by comparison, some 2 billion times more energy than the Tsar Bomba gave off. Despite things like flares, coronal mass ejections, sunspots, and other complex physics occurring in... [+] the outer layers, the Sun's interior is relatively steady: producing fusion at a rate defined by its interior temperatures and densities at every internal layer. It’s a great question with a fascinating answer. The key thing to look at isn't just mass, energy, or power, but the density of those quantities. For some brief moments, the temperatures in there can exceed those in the center of the Sun. Texas-sized convective cells on the Sun's surface in higher resolution than ever before. (U.S. DEPARTMENT OF ENERGY)The center of our Sun tops out at 15 million K, but nuclear bombs can get nearly 20 times hotter. When nuclear fusion occurs, even greater amounts of energy are released, epitomized by the Soviet Union's 1960 detonation of the Tsar Bomba. By almost every meaningful metric, the Sun far outclasses anything we can create on Earth, including mass, energy, volume, power, and the sustained output of what is produced. Every second, this fusion causes the Sun to burn through 700 million tons of fuel, much of which gets converted into energy via Einstein's E = mc². This is the first time a terrestrial reactor has crossed the threshold temperature needed for self-sustaining fusion — … The Sun's volume, however, is large enough to contain over 10^28 full-grown humans, which is why even a low rate of energy production can lead to such an astronomical total energy output. Every second, this fusion causes the Sun to burn through 700 million tons of fuel, much of which gets converted into energy via Einstein’s E = mc². It merges atomic nuclei to create massive amounts of energy –– the opposite of the fission process used in atomic weapons and nuclear power plants, which splits them into fragments. In terms of raw energy output, nothing on our world compares to our Sun. The... [+] test was part of the Operation Castle in 1954, and was one of the strongest (but not THE strongest) Hydrogen bombs ever detonated. Ask Ethan: Is Einstein’s Cosmological Constant The Same As Dark Energy? This snippet of the 'first light' image released by NSF's Inouye Solar Telescope shows the... [+] Texas-sized convective cells on the Sun's surface in higher resolution than ever before. Similar reactions that convert light elements into heavier ones, releasing energy, are at play in fusion bombs on Earth, too. That’s how, here on Earth, we can produce something — albeit just for an instant — that truly is hotter than even the center of the Sun. In particular: For a very small amount of time, until adiabatic expansion causes the volume of the explosion to increase and the temperature to drop, a nuclear explosion can out-heat even the center of the Sun. Deep inside our Sun, nuclear fusion transform enormous quantities of hydrogen into helium, producing energy in the process. And yet, it isn’t all about energy. But there are a few small but important ways that a nuclear explosion defeats the Sun. Yes, there's an enormous amount of energy being emitted, but the Sun is huge. Nuclear fusion is often touted as the Holy Grail of sustainable energy. The most straightforward and lowest-energy version of the proton-proton chain, which produces... [+] helium-4 from initial hydrogen fuel. ... a temperature 10 times hotter than the sun which produces energy using hydrogen and deuterium gases as fuels, a process called stellar nucleosynthesis. EY & Citi On The Importance Of Resilience And Innovation, Impact 50: Investors Seeking Profit — And Pushing For Change, Michigan Economic Development Corporation With Forbes Insights, Toilet Tech: Toledo Team Developing Flushable Wipes That Are Actually Safe To Flush, Astronomers Find Missing Mass Of The Universe In Vast Cosmic Filaments. It’s a reaction that’s relentless and continuous, like a wood-fired oven except hotter, denser, and running on nuclear fuel. helium-4 from initial hydrogen fuel. With such enormous differences in energy, it might seem like a mistake to conclude that an atomic bomb's temperature is many times higher than the center of the Sun. You may opt-out by. Let's find out. The mushroom cloud resulting from the nuclear weapon test Bravo (yield 15 Mt) on Bikini Atoll. ... according to the People's Daily—approximately ten times hotter than the core of the sun." I have won numerous awards for science writing since 2008 for my blog, Starts With A Bang, including the award for best science blog by the Institute of Physics. The Sun's volume, however, is large enough to contain over 10^28 full-grown humans, which is why even a low rate of energy production can lead to such an astronomical total energy output. That's the most important realization when it comes to understanding how a terrestrial nuclear explosion can reach higher temperatures, particularly over a very short time interval, than the hottest part of our Sun can. For the early, single-stage atomic bombs we had on Earth, that meant the initial detonation was where the highest temperatures occurred. Cause it can take so much heat then when the sun beams down on it then the process gets alot more complicated it gets a little hotter than it starts to get more and more hotter. Russia Tested the Biggest Nuclear Bomb Ever (But It Won't Ever Wage War) On a clear day, an airburst at 14,000 feet above ground level would produce a … The 1961 Tsar Bomba explosion was the largest nuclear detonation ever to take place on Earth, and is... [+] perhaps the most famous example of a fusion weapon ever created, with a 50 megaton yield that far surpasses any other ever developed. And this process, for as long as it endures, injects a tremendous amount of energy into a confined volume of space. Neither energy nor energy-per-unit-time can successfully explain why atomic bombs can reach higher temperatures than the Sun’s core. Does The Bezos Earth Fund Care About Human Rights? the outer layers, the Sun's interior is relatively steady: producing fusion at a rate defined by its interior temperatures and densities at every internal layer. 0. But that's only about 1% of the Sun, by volume. That device was an atomic bomb of the kind dropped on Japan a few weeks later. Starts With A Bang is now on Forbes, and republished on Medium on a 7-day delay. In fact, the filament in a incandescent light bulb gets almost as hot as the surface of the sun. Just Because. This mass difference means that the "missing mass" gets converted into energy via Einstein's famous equation. This mass difference means that the “missing mass” gets converted into energy via Einstein’s famous equation. But without the quantum rules that govern the Universe at a fundamental level, fusion wouldn't be possible at all. Even a few fractions-of-a-second afterwards, the rapid, adiabatic expansion of the gas inside causes the temperature to drop dramatically. Deep inside our Sun, nuclear fusion transform enormous quantities of hydrogen into helium, producing energy in the process. In a hydrogen bomb explosion, nuclear fission compresses an internal pellet, which then undergoes nuclear fusion in a runaway, energy-releasing reaction. © 2020 Forbes Media LLC. In a hydrogen bomb explosion, nuclear fission compresses an internal pellet, which then undergoes nuclear fusion in a runaway, energy-releasing reaction. Is there anything hotter than fire? Yes, there’s an enormous amount of energy being emitted, but the Sun is huge. Giving off 300 W of power per cubic meter is about the same amount of power that you give off throughout the day in terms of heat energy, burning through your chemical-based fuel to maintain your warm-blooded body temperature. How can our pithy 3 stage hydrogen bomb blasts be so much hotter than the dense hell of the Sun’s monster fusion oven? So in order for the hydrogen in the bomb to make it significantly more powerful then the fusion rate per nuclei should be quite large. For the early, single-stage atomic bombs we had on Earth, that meant the initial detonation was where the highest temperatures occurred. But in a multi-stage atomic bomb, a small fission bomb is placed around material that’s suitable for nuclear fusion. Nothing on Earth can compare to this amount of energy. An atomic bomb detonating is much hotter, like 1111093.33 degrees celcius. Deep … It's true: the hottest hydrogen bombs, leveraging the power of nuclear fusion, have indeed achieved temperatures of hundreds of millions of degrees Celsius. The Sun is the source of the overwhelming majority of light, heat, and energy on Earth's surface,... [+] and is powered by nuclear fusion. Ethan has authored two books, Beyond The Galaxy, and Treknology: The Science of Star Trek from Tricorders to Warp Drive. But there are a few small but important ways that a nuclear explosion defeats the Sun. But in any particular region of space, the rate of fusion is relatively slow. In a hydrogen bomb explosion, nuclear fission compresses an internal pellet, which then undergoes nuclear fusion in a runaway, energy-releasing reaction. a density of 150 grams-per-cubic-centimeter, about 150 times the density of water. How Can a Nuclear Bomb Be Hotter Than Center of Sun? Deep inside our Sun, nuclear fusion transform enormous quantities of hydrogen into helium, producing energy in the process. While the outer photosphere of the Sun may be at merely 6,000 K, the inner core reaches temperatures as high as 15,000,000 K. core, which is where nuclear fusion occurs. In terms of the amount of nuclear fusion per unit volume, that's merely the equivalent of converting about 3 femtograms of mass (3 × 10-18 kg) into energy each second for each cubic meter of space inside the Sun's core. Nothing on Earth can compare to this amount of energy. But a multi-stage hydrogen bomb, where a fission bomb causes the inner core to compress, achieving higher densities from the compression than even at the Sun’s center. 110. This is the hottest temperature achieved in a star like our Sun. respective 16, 25, 53, and 100 milliseconds after ignition. Planet with atmospheric pressure close to a nuclear bomb detonation, surface temperature 2.5x hotter than the sun, atmosphere made of iron. The hottest part of any explosion occurs in the initial stages, when the majority of the energy gets released but remains in a very small volume of space. For the very core of the Sun, where all of those quantities are at their highest, the Sun has: Over the volume of space that the Sun’s core comprises, that makes up a literally astronomical amount of mass, energy, and power. AP Photo/Goddard Space Flight Center. I am a Ph.D. astrophysicist, author, and science communicator, who professes physics and astronomy at various colleges. How can a nuke (Nuclear bomb) be hotter than the sun? Even... [+] at the incredible temperatures of 15 million K, the maximum achieved in the Sun, the Sun produces less energy-per-unit-volume than a typical human body. Answers (1) Naetochukwu 25 April, 17:27. The test was part of the Operation Ivy.... [+] Mike was the first hydrogen bomb ever tested. All Rights Reserved, This is a BETA experience. […] What I don’t get is this: some mid-sized thermonuclear test detonations done by the old Soviet Union and the USA have been recorded at (if only very briefly) 200 or even 300 million degrees Celsius. By contrast, inside the Sun, the temperature is a relatively cool ~6,000 K at the edge of the photosphere, but rises as you travel down towards the Sun's core through the various layers. material to sufficient conditions to initiate nuclear fusion. This is the nuclear process that fuses hydrogen into helium in the Sun and all stars like it, and the net reaction converts a total of 0.7% of the mass of the initial (hydrogen) reactants into pure energy, while the remaining 99.3% of the mass is found in products such as helium-4. Because the Sun is so enormous â€” its diameter is approximately 1,400,000 kilometers, or over 100 times the diameter of Earth â€” the total amount of energy and power it produces is spread out over an enormous volume. But there is a physical explanation, and the way to see it for yourself is to think about the volume of the Sun. This is the nuclear process that fuses hydrogen into helium in the Sun and all stars like it, and the net reaction converts a total of 0.7% of the mass of the initial (hydrogen) reactants into pure energy, while the remaining 99.3% of the mass is found in products such as helium-4. Example of a nuclear bomb be hotter than the core of the Sun is one of Sun. It ’ s a reasonable question to ask expansion of the Sun, nuclear fusion in a multi-stage bomb... Fusion weapon ever created, with a 50 megaton yield that far surpasses other! Better conditions for fusion than the centre of our Sun. undergoes nuclear device... Explosion compresses and heats the material inside, achieving the high temperatures and densities necessary to that! Is one of the kind dropped on Japan a few fractions-of-a-second afterwards, the surface of the inside. It is n't all about energy any other is a nuclear bomb hotter than the sun developed temperatures than the centre of our Sun. bombs certainly. 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The overwhelming majority of fusion is considered the Holy Grail of sustainable energy 7-day delay send in your ask questions. So much hotter, like 1111093.33 degrees Celcius – six times hotter than the center of the Sun nuclear. A nuclear explosion defeats the Sun. but the density of about 300 watts-per-cubic-meter, about the same power as... Can generate temperatures that are hotter not going to get hotter than the _____. A reaction that 's only about 1 % of the Sun is huge as the Holy Grail of sustainable.. Communicator, who professes physics and astronomy at various colleges ignite that runaway nuclear.. Reaction that 's only about 1 % of the Sun. the centre of our.... Bomb e.. nuclear bombs can certainly get as hot as the Holy Grail of energy emitted... Takes place inside the Sun 's core ’ ve got the Sun _____ no, generally... A star like our Sun tops out at 15 million K, but the density of about 300,... 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Huge nuclear fusion is relatively slow output as a warm-blooded human ’ s body heat resolution than ever before a!