They have heat shields and protective coatings so that they don't get destroyed. Remember to giggle everyday!
Airports
A lot of space crafts and space shuttles get their power from an immense amount of pressure from gas which causes them to blast off.
NASA has sent a total of 5 space crafts to mars.
No
Saturn was discovered by ancient Greeks and Romans, so sorry no space crafts.
No
suck it
Because humans have a need to reach space, and there is no other way to reach space. Reaching space has many benefits, including communication, navigation, mapping and exploration. New space crafts are constantly being invented because new technology allows for safer and more efficient space crafts.
The sun gives off radiation, which can travel through space, and is later converted into heat when it contacts matter (Earth, space crafts, astronauts, asteroids, ect.).
Docking
You build space craft in order to get to and travel round in space.
site for launching space crafts