jul 3, 694283697 BC - Electroweak Epoch
Description:
Electroweak Epoch, from 10–36 seconds to 10–12 seconds:
As the strong nuclear force separates from the other two, particle interactions create large numbers of exotic particles, including W and Z bosons and Higgs bosons (the Higgs field slows particles down and confers mass on them, allowing a universe made entirely out of radiation to support things that have mass).
Added to timeline:
the big bang
The big bang theory timeline
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