Science / Astrology / Galaxy: One of the billions of huge cosmic systems, each composed of innumerable stars, planets, etc. Members of a galaxy revolve as a unit around a common point in space. Our solar system is part of the Milky Way galaxy.
Entertainment / Literature / Space Opera: A subgenre of 'soft' science fiction especially popular between 1930-1960, often used in a derogatory sense. These space operas are novels or short stories set in the distant future after humanity has MORE
Science / Astrology / Milky Way: The galaxy of which our solar system is a part. See also Galaxy. MORE