When I was little I used to think that the ozone layer was clear plastic and that it would open and close at certain times so that the space shuttle had to time it correctly in order to make it through the hole into space. Years later in science class I realized that the atmosphere was held in by gravity!
A childhood belief about physics

others believed things like this
- I thought if someone hadn't passed the Law of Gravity, we would all be floating around in space.— Trudee
- I used to believe that rocket ran on gasoline and that in order to save gas, we should end the space program.Anon
- I thought the airport was a place that you get chopped into pieces in order to go to outer space! lol!!!— I don't know why you get chopped...
- i used to think that vacuum cleaners had little piece of space inside them because space is a vacuumAnon
- when i was little, i used to believe that airplanes goes out of space.Anon
- Me and my friend used to believe that space was in God's belly— Lia