There is a movie about a meteorite hitting the earth. A group of people want to take a spaceship to the inside of a meteorite and blow it in half with a bomb to prevent it from hitting the earth. A fat man drives it.
Deep impact
Depth impact (1998)
Director: Mimi Leder
Screenwriter: Bruce Joy Robin/Michael Tolkin
Starring: Elijah Wood/vanessa redgrave/Morgan Freeman/robert duvall/Téa Leoni