hi everyone here i am in the process of thinking of a epic space game where you can fly round i space and where you can visit planets and stuff so i have a few questions and many more to come

first

how would i go about making a simple spaceship move about. do you know how to do this or have you done one before that i can have a look at for idea's.

second how would i be able to change the view from outer space flying the ship around to being able to walk about??

and if you have any idea's for my game or have any thing that you could show me that is relevant please let me know