this post was submitted on 27 Oct 2023
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One thing I remember ( probably incorrectly) from undergrad astronomy is that it takes a photon something like a million years to migrate from the sun’s core to its surface.
Point being: There is very little that we can directly measure from 99% of the sun.
Right, but this article is about the 11 year sunspot cycle, which is observed directly by viewing... sunspots. So not sure what your point is here.
I think the point is that we can't know what's going on deeper down, and changes happening there could be a reason to changes in the cycle. No idea if that's a reasonable suggestion, as I don't know about workings of sunspots and the cycle here.