This is a completely nonsensical movie.

Mars is a frigid rock in the middle of nowhere. Without atmosphere, running water or soil to grow food. 8 months travel from Earth.

I can't imagine Matt Damon agreeing to star in this, as it completely destroys his professional judgment. Given the roles that he has had in the past, why would he agree to this piece of junk?

I realize that Americans are not very bright but come on, this is appallingly dumb.

I should just suspend my disbelief and enjoy the movie? Nonsense.

Why not take the story idea and do it justice. Show him actually struggling to survive, while he waits for the rescue mission from Earth.

That would have been a good movie.