Still in her EVA suit, with the Alien skulking ever closer toward her, Ripley hits the airlock's emergency release, opening it and jettisoning both herself and the Alien into space.
Ripley hits the airlock's emergency release. This is still in her EVA suit. This is with the Alien. This Alien is skulking ever closer toward her. Ripley is opening it. This is still in her EVA suit. This is with the Alien. This Alien is skulking ever closer toward her. Ripley is jettisoning both herself and the Alien into space. This is still in her EVA suit. This is with the Alien. This Alien is skulking ever closer toward her.