Interstellar -LRB- 2014 film -RRB- : On Planet Miller , did Cooper , Amelia and Doyle spend 3.3 hours -LRB- approximately -RRB- , equating in 23 years and some months , or did they spend just 15 minutes ?
On Miller 's planet , how were Amelia , Doyle , etc. walking on the surface of the water if the gravity was 130 % that of Earth 's ?