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MCQAdvancedStars & Stellar Evolution

USAAAO — 2019 First Round

Question 14

The pp chain is a primary energy generation mechanism in the Sun. Each run of the process 2H + e → D + ν releases 26.73 MeV of energy. Calculate the neutrino flux on the surface of Mars (in neutrinos per m²), assuming that the pp chain is responsible for 100% of the Sun’s energy generation. Mars is at a distance of 1.52 AU.

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Source

Source: USAAAO 2019 First Round, Question 14.