QQuestionPhysics
QuestionPhysics
At 15.6 million degrees Celsius, the temperature of the sun's core is high enough for nuclear _____ to occur.
(Note: You might want to fill in the blank with an appropriate term like "fusion.")
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Answer
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Step 1:I'll solve this problem step by step, following the specified formatting guidelines:
Step 2:: Identify the Key Scientific Process
At extremely high temperatures like 15.6 million degrees Celsius, the process occurring in the sun's core is nuclear fusion. This is the process where light atomic nuclei combine to form heavier nuclei, releasing enormous amounts of energy.
Step 3:: Understand Nuclear Fusion
At the core's extreme temperature of $$1.56 \times 10^{7} \mathrm{~K}$$ (15.6 million degrees Celsius), hydrogen atoms have enough kinetic energy to overcome their electrostatic repulsion and combine to form helium.
Nuclear fusion is the primary energy-generating process in stars like our sun.
Step 4:: Explain the Fusion Reaction
4 \mathrm{H} \rightarrow \mathrm{He} + \text{energy}
The most common fusion reaction in the sun is the proton-proton chain reaction:
Final Answer
Key Insight: The extreme temperature allows atomic nuclei to overcome electromagnetic repulsion and combine, releasing tremendous energy that powers the sun.
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