-
A Hot Air Balloon is a lighter than air aircraft consisting of a bag called an envelope which contains heated air.
https://jackbloger.wordpress.com/2009/10/25/some-disadvantages-while-flying-hot-air-balloon/ -
An airplane is powered fixed winged aircraft that is propelled foreword by thrust of a jet engine or propellers.
https://en.wikipedia.org/wiki/Airplane -
A Space Ship is a rocket that launches into space and can go to other planets.
