Ages later when the universe was 1s old the temperature

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Reference no: EM13627044

(a) When the universe was a mere 10^-4 s old, the temperature was about 10^13 K. What is the probability that two average protons could fuse in this opening split second?

(b) Ages later when the universe was 1s old, the temperature fell to only 10^10. What is the probability that two average protons could fuse in this second?

Reference no: EM13627044

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