Here's an awesome video from a few years ago where Neil deGrasse Tyson and other astrophysicists praise Star Trek for making an "admirable attempt" to portray space travel with actual scientific explanations. Star Wars? Not so much.
Tyson recently told Business Insider that he loves "old-school" Star Trek, with Captain Kirk and the original crew, but:
I never got into Star Wars. Maybe because they made no attempt to portray real physics. At all.
[via Washington Post]