• @[email protected]
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    19 months ago

    Try that in your backyard with a small mirror. You’ll find the sun’s reflection expands by about 1% of the distance.

    • mozz
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      19 months ago

      Ooooh

      Yes you’re 100% right - it’s not a point-source, so it will expand out slightly. I don’t know the math well enough, but I believe if you if you say you do + it works out to about 1% of distance.