You mean, you cannot even give an answer on a simple hypothetical? How ridiculous does that make your claim to have a grad-level Physics degree? Pretty damned ridiculous.
Here’s a simpler hypothetical:
How much is 1 Watt + 1 Watt? I’ll give you hints if you need them.
I’m asking you where this article claims there is a duration of 20,000 seconds. And I’m still waiting for a citation in which this is claimed to be a nuclear reaction.