What do you mean by the sun being variable? Don’t we already know where the sun ... | Hacker News

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trianglem on Nov 20, 2019 | parent | context | favorite | on: Heliogen’s new tech could unlock renewable energy ...

What do you mean by the sun being variable? Don’t we already know where the sun is going to be at anytime for the entire year?

tlb on Nov 20, 2019 [–]

Clouds.

trianglem on Nov 21, 2019 | [–]

Right, but if there are clouds in the way there’s not a lot that you can do.

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