It was kinda hard to judge this one. Visually Stunning. Beautiful effects work.  Horrible sound track. Gaping holes in physics. There was no reason for  the separation of Clooney & Bullock when she's hanging from the  parachute cords--they are at rest relative to the space station. If she  is so short on Oxygen, why is Clooney constantly making her talk and  burn through her supply? The really BIG question: How did someone this  poorly trained and psychologically unsound even get approved to go into  space in the first place? The only way this film works is if, 10 minutes  in, Bullock's character (who is hyper-ventilating like mad) actually  goes into a hallucinatory coma, and the rest of the movie is a dream.  But, does that mean she ends up dreaming about dreaming? Nice fetal  imagery and rebirth sequence, but was it really necessary? Too much of  this movie was utter nonsense that dragged me out of any emotional  attachment. And again, what's with the blaring, odious, obnoxious  soundtrack? Well done drama doesn't need that heavy-handed over-bearing  noise. Try using some subtlety for a change. On the other hand, the  person I saw this with was emotionally exhausted and wrecked by the  ordeal, and thought the movie was f-ing brilliant. Decide for yourself.
The floating pens were kinda overdone, though it was fun when she batted one out of the way.
They deliberately ignored physics? Then they deliberately ruined the main selling point of the movie!