I thought Joachim Kopp's article at https://physics.aps.org/articles/v11/122 was an even better explanation in some ways. It was buried as a link in the middle of the medium.com article.

I wonder if solar neutrino detection could be done on a satellite heading towards the sun. Seems like the signals may vary over distance from the sun (guessing here) perhaps providing some insight.

Please note: Unrelated to article content.

https://i.imgur.com/htxpRh7.jpg

Medium's viewport is now about an inch tall on my phone, unless I carefully click 3 different 1sqmm X's. That's... Gross.

Maybe.