A trope is a figurative or metaphorical use of a word or expression or a significant or recurrent theme; a motif.
Sci-Fi is a wonderful genre, full of story–telling possibilities as endless as the stars themselves. This is true from both a science and fiction standpoint. Far too often however science fiction films rely on the same tried and true methods to keep the audience entertained. This in not necessarily a bad thing, it makes science fiction more accessible to a wider audience. A few years ago science fiction was not as mainstream as it is today. After the success of Star Wars (1977) that all changed