A word used to describe movies taking place in space or on alien planets and galaxies. Films that contain spaceships/space-travel, aliens civilizations , space colonization, space stations etc.
Usually used on the high budget, mass appeal, blockbuster type of films, but can also be used on smaler spaceshit films like, «Moon (2009)».
So Disney is making like 5 Star Wars films now and we are also getting a trilogy of Avatar films. That's a lot of spaceshit for the next year.