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<a href="http://en.wikipedia.org/wiki/Leptogenesis_(physics)" rel="ugc">http://en.wikipedia.org/wiki/Leptogenesis_(physics)</a>
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http://en.wikipedia.org/wiki/Leptogenesis_(physics) [http://en.wikipedia.org/wiki/Leptogenesis_(physics)]

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did the electrons (in the early universe) come from photons turning into virtual electrons?<br />
(the same way that they turned into virtual quarks)
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did the electrons (in the early universe) come from photons turning into virtual electrons?
(the same way that they turned into virtual quarks)

where did the electrons come from?

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