The opening sentence of a science fiction novel, perhaps more than any other genre, has a lot of work to do. Like all good fiction, it needs to hook you, jolt you into the story and establish the tone. Yet it also needs to get you interested in a whole new alternative world, a place where you’ll live for the duration of the book. It’s a big ask. Nonetheless, there are some masterly examples of opening lines that do that and more. Here are ten that, quite literally, take our breath away.