Estimate how many solar neutrinos pass through a ceiling of a room, at latitude , for an hour around
Estimate how many solar neutrinos pass through a ceiling of a room, at latitude , for an hour around midnight on midsummer night. [Hint: See Problems 59 and 60.]
Some stars, in a later stage of evolution, may begin to fuse two nuclei into one nucleus. (a) How much energy would be released in such a reaction? (b) What kinetic energy must two carbon nuclei each have when far apart, if they can then approach each other to within 6.0 fm, center-to-center? (c) Approximately what temperature would this require?
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