Well, first of all, science fiction is often about innovation in technology. It shows us all kinds of advanced gadgets and machinery that don't exist yet, like lightsabers in 'Star Wars'. Secondly, it has a sense of wonder. It makes us wonder about the possibilities of the universe, different forms of life, and the unknown. Just think about all the strange alien species in science fiction stories. And thirdly, it can be a bit of a warning. It warns us about the potential negative consequences of our actions today. For instance, many stories about artificial intelligence going wrong are warnings about our over - reliance on technology.
One characteristic is its scientific speculation. It often takes current scientific knowledge or theories and extrapolates them into the future, like how time travel is often explored in science fiction based on concepts of physics. Another is its exploration of new worlds or settings. This could be a far - off planet, a post - apocalyptic Earth, or a virtual reality. For example, 'Dune' has a complex and unique desert planet setting. The third characteristic is its ability to comment on society. Science fiction can use its fictional settings to critique or reflect on contemporary social, political, and cultural issues, such as how '1984' by George Orwell uses a dystopian future to comment on totalitarianism.
The three characteristics of science fiction are as follows. First, it has a strong connection to scientific concepts. This doesn't mean it has to be super - accurate all the time, but it uses science as a starting point. For example, in some sci - fi, they use genetic engineering as a plot device. Second, it's about the exploration of the human condition in extraordinary circumstances. Whether it's humans living in space colonies or dealing with alien invasions, we get to see how people react and change. Third, it's highly imaginative. It can create entire universes, cultures, and species that are completely different from our own, like the Na'vi in 'Avatar' with their unique biology and culture.