3 ms·

cheapest observatory ever https://i.ytimg.com/vi/FkDYVPjNvg0/hqdefault.jpg https://i.ytimg.com/vi/FkDYVPjNvg0/hqdefault.jpg

• joezydeco 10y ago
  You can also poke a pinhole in a piece of paper or even a leaf and project it on your hand. Even cheaper!
  • return0 10y ago
    you can even use your other hand's fingers to create a pinhole :)
    • joezydeco 10y ago
      Alright, you win!