In the Book |
In the Movie |
Mark watches Three's Company and the Dukes of Hazzard. |
He's only shown watching Happy Days. |
Mark spends a lot of time doubling his dirt before he plants the potatoes. |
He quickly spreads the dirt and fertilizes it and starts everything growing.
|
During the process of making the water from the hydrazine, Mark says the alarms are constantly blaring. |
He never hears any alarms. |
Mark starts making the water and is successful. |
He blows up on his first attempt at making the water.
|
Mark spends 2 days in the rover because the air is full of Hydrogen from his water making. He has to figure out how to clean the air. |
After blowing up, he successfully keeps making the water and it isn't an issue again. |