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Why did the Big Bang make more matter than antimatter?
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August 17th, 2010
The Big Bang, to the best of our present knowledge, produced a great deal of matter and antimatter. There was enough antimatter around that some still survives today, 13.75 billion years after the BB.
Generally, when you have a reciprocal relationship in nature, things get produced in equal amounts. Of course, in the case of the Universe, if that had been true the entire creation would soon have annihilated itself. Thankfully, that did not happen. There was more matter than antimatter, and so matter won and we are here today.
Why wasn’t the equality of polar opposites upheld in the Big Bang?
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