Dear Neil deGrasse Tyson: this is why Han Solo says "Parsecs"

This morning astrophysicist Neil deGrasse Tyson took to Twitter to speak about Star Wars: The Force Awakens. He took time to pay extra attention to Han Solo's claim of "making the Kessel Run in 12 parsecs." Han Solo makes this claim all the way back in Star Wars: A New Hope, then repeats his claim in Star Wars: The Force …