Imagine that you are watching a science fiction movie. A starship is disabled in an attack......?

Question

Imagine that you are watching a science fiction movie. A starship is disabled in an attack. After the transfer of the crew to the alien ship, the alien invaders begin to change the atmosphere inside the ship to meet their biological requirements. As they do so, the ship's hull suddenly and unexpectedly gives way and the ship "explodes." In terms of air pressure, explain why this might have happened.

Answer 1

They come from a huge planet with a large atmospheric pressure and when they increase the pressure in the ship (by heat?) it strains the support of the ship and eventually causes it to explode dispersing the gasses.

Answer 2

The alien's "atmosphere" and ours don't compromise. The mixture creates too much reaction among atoms that results in explosion.

Answer 3

Because you are a n00b.