Answer: 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.
Answer: The first rocket to reach space was a V-2 (V-4)rocket launched in 1942 by the Germans during World War II. The first space satellite to orbit the Earth was Sputnik 1 in 1957. The first manned spacecraft was the Vostok I, which carried Soviet cosmonaut Yuri Gagarin into Earth orbit on April 12, 1961.
Answer: In certain cases they are considered interchangeable. However, astarship contains technology way beyond our time and is able totravel further than a conventional spaceship (see the definitionmentioned by the late Gene Roddenberry in his Star Trek series).
Answer: A spaceship is made to be able to handle the temperature, bearings, and involving of space. They are made to go into space to learn more about it and to use the information we have, to learn more.
Answer: It would have a very low leakage rate. Machinery to allow control of direction and speed, self-maintained atmosphere, protective shields against heat and cold and radiation. Communication equipment. Clear windows to allow viewing.