Sierra:  Earth - identical gravity and atmosphere on other planets . Is that _ two _ ?
Topher Brink: I 'll give you one .
Sierra: That 's fair . One ecosystem for a whole planet .
Topher Brink: Good .
Sierra: Human - alien cross - breeding without scientific intervention .
Topher Brink: Nice .
Sierra: Flamey explosions and sound in a vacuum .
Topher Brink: Yes ! Good job .
Sierra: Oh , but there 's so much more . Light speed travel , space storms and sexy , sexy aliens .
Topher Brink: Ahh - ahh - ahh , I said classic sci - fi errors . Now you 're just attacking good story telling .