--"Science Fiction is the genre of literature that imaginatively depicts plausible events that are logical extrapolations of know facts and are descriptive of the social impacts of science and technology"(Greenlaw, 196)
--".. . . a kind of literature that speculates on the consequences of real or imagined discoveries of knowledge in the sciences . . . Sometimes just for the fum of it but other times to make a serious comment on their relationship to human life and these discoveries." Kingsly Aims
--" . . . a branch of fantasy identifiable by the fact that it eases the willing suspension of disbelief on the part of the readers by utilizing an atmosphere of scientific credibility for it's imaginative speculations in physical science, space, time, social science and philosophy." Sam Mosinitz
--Science Fiction is hard to define. It is a branch of a larger group of fiction know as Speculative Fiction which can be defined as "What if literature." This is a very ambiguous group of literture which is hard to define exactly. My definition for science fiction is that it follows the rules of science as they exist in the world and it speculates on the possibilites. It challenges a reader to think about things in their life and in the world.