1. at the very end when dr.shaw went to pickup david's head they had a short chit chat before jump down the ship.cut short, dr.shaw said she wanted to go to where the bald guy came from. do they know which planet is?

2. dr.shaw said, earlier the bald was heading to earth but they changed their mind. but then when bald guy woke up and chop off david's head, he still taking the ship to earth right? so which part is the bald guy changed their mind? or mybe i heard wrong