I one time asked my dad what comets are and he said they are made of dirt and ice. Based on this I thought if I got some dirt and ice I could throw it into space and make my own comet!
A childhood belief about physics

others believed things like this
- I used to think people were made of dirt and mayonnaise. I kind of rememeber picking this up at church.— julia
- the if you swallowed a fly by accident that you would then grow an appetite for dirt.— sarah
- I used to believe that mountains were dinosaurs that had died and been covered with dirt.— Marina
- When i was little, i use to believe that mountains where actually dead dinosaurs covered in dirt. — Patricia
- i used to believe that if u didnt wash behind your ears potatos would grow in the dirt— michelle
- I used to believe that dirt roads just needed to be swept (to reveal the pavement underneath). — KSAM