• deegeese
    link
    fedilink
    English
    arrow-up
    1
    ·
    4 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@mbin.grits.dev
      link
      fedilink
      arrow-up
      1
      ·
      4 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.