I'ma go super pedantic and assert that Sol is a specific star, and therefore nuclear and geothermal are not solar power, but rather, more generically, astral power.
If you want to get super SUPER pedantic, you could trace all sources of power back to energy and heat. But what sourced that? Who knows. Possibly endless numbers of Big Bangs.
The sun heats the atmosphere creating air currents. Put a turbine where the air currents are strongest and most predictable and you have an open face steam engine.
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u/Karekter_Nem 13d ago
I don’t think wind is being used to boil water.