The same thing that happens with a thermonuclear bomb happens during nuclear fusion on the sun. 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. 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. The... [+] test was part of the Operation Castle in 1954, and was one of the strongest (but not THE strongest) Hydrogen bombs ever detonated. 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. The process of fusion is energetically favorable, meaning that the products are lower in mass than the reactants. But in terms of temperature, we've got the Sun beat. 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. 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. Posted by 3 years ago. 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. In fact, the filament in a incandescent light bulb gets almost as hot as the surface of the sun. Deep inside our Sun, nuclear fusion transform enormous quantities of hydrogen into helium, producing energy in the process. 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. It's a reaction that's relentless and continuous, like a wood-fired oven except hotter, denser, and running on nuclear fuel. The mushroom cloud resulting from the nuclear weapon test Bravo (yield 15 Mt) on Bikini Atoll. When nuclear fusion occurs, even greater amounts of energy are released, epitomized by the Soviet Union’s 1960 detonation of the Tsar Bomba. But there are a few small but important ways that a nuclear explosion defeats 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. A UK-based private venture has built a fusion reactor that can generate temperatures that are hotter than the center of the sun. a power density of about 300 watts-per-cubic-meter, about the same power output as a warm-blooded human's body heat. 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. Nothing on Earth can compare to this amount of energy. 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. The most powerful nuclear detonations on Earth and the interior of the Sun actually have a lot in common. In a hydrogen bomb explosion, nuclear fission compresses an internal pellet, which then undergoes nuclear fusion in a runaway, energy-releasing reaction. and is powered by nuclear fusion. Is there anything hotter than fire? Your Christmas Night Sky Revealed: 12 ‘Christmas Stars’ And What To Point A New Telescope At, Shattered Chromosomes Help Create Drug-Resistant Cancer Cells. I have won numerous awards for science writing. 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. Jump directly to the content The Irish Sun, A … 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. Mike was the first hydrogen bomb ever tested. The process of fusion is energetically favorable, meaning that the products are lower in mass than the reactants. How can our pithy 3 stage hydrogen bomb blasts be so much hotter than the dense hell of the Sun’s monster fusion oven? 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. In a hydrogen bomb e.. 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. 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 fusion is often touted as the Holy Grail of sustainable energy. How Can a Nuclear Bomb Be Hotter Than Center of Sun? 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