i used to think that airplanes are able to break through the atmosphere and enter outer space, but one i learned more about the atmosphere, airplanes, and space ships, i finally learned of two words- "vacuum" and "airlock". i was pretty stupid.
A childhood belief about aeroplanes

others believed things like this
- when i was little, i used to believe that airplanes goes out of space.Anon
- i used to think that vacuum cleaners had little piece of space inside them because space is a vacuumAnon
- My nephew, at around age three, used to say that airplanes trailing white exhaust were "airplanes on strings".— Mojo!
- When I was really little I used to belief that fireworks dropped out of the sky from outer space.— davesgrl2001
- I used to think that up in outer space the sun was a gigantic baby that never grew up like in Teletubbies.— WeirdButProud
- As a child I used think if I jumped too high on a trampoline I'd be sucked up into outer space.— Jenn