THERE ARE ONLY TWO REASONS TO GO BEYOND OUR SOLAR SYSTEM:

1) To shoot lasers at space aliens and make space jokes
2) Because we are fuck-ups and have irretrievably ruined our planet

Those two things aren't technically mutually exclusive, but you'll see a lot of elbow-nudging 1) in the trailer for Guardians of the Galaxy, and a lot of teary eyed 2) in the trailer for Interstellar. And while you can watch both of these trailers, for the sake of the below poll (and for the sake of me judging you), let's pretend YOU CAN ONLY SEE ONE OF THE FINISHED FILMS. Which shall it be?