All aircrafts need the the support of the "atmosphere" in other to transit from one point to another while most of them (except some missiles) make use of the "oxygen" in the atmosphere as propellant. Spaseships DO NOT NEED the atmosphere for support, they travel in vacuum and MUST CARRY (except some futuristic types that will use sunlight, blackholes etc) there own propellant.
The differenc between a spacecraft and spaceship are none. There isn't any difference between a spacecraft and spaceship.
The spelling.
there is no difference
See What are gliders on the airplane? answer.
There is noneAnswer'Aeroplane' is British English; 'airplane' is US English.
No, they are basically the same but in the second one there is a spaceship flying toward the sun.
Those terms are synonymous
An airplane, by definition, flies in the air, it does not fly in outer space where there is no air. So an airplane cannot fly from Earth to Mars. That requires a spaceship. With current technology, a spaceship might reach Mars in about a year. It's a long trip.
One comes more toward the beginning of the sentence and the other is at the end of the sentence.
mass dose not change on a spaceship
propulsion is when air pushes an airplane
because a airplane is flown by wings and a space craft is flown by something else