Andromeda Galaxy Andromeda Galaxy The Andromeda Galaxy (), also known as Messier 31, M31, or NGC 224, is a spiral galaxy approximately 780 kiloparsecs (2.5 million light-years) from Earth, and the nearest major galaxy to the Milky Way. Its name stems from the area of the sky in which it appears, the constellation of Andromeda. The 2006 observations by the Spitzer Space Telescope revealed that the Andromeda Galaxy contains approximately one trillion stars, more than twice the number of the Milky Way's estimated 200 to 400 billion stars. The Andromeda Galaxy's mass is estimated to be around 1.76 times that of the
The Gutenberg Galaxy The Gutenberg Galaxy The Gutenberg Galaxy: The Making of Typographic Man is a 1962 book by Marshall McLuhan, in which the author analyzes the effects of mass media, especially the printing press, on European culture and human consciousness. It popularized the term "global village", which refers to the idea that mass communication allows a village-like mindset to apply to the entire world; and "Gutenberg Galaxy", which we may regard today to refer to the accumulated body of recorded works of human art and knowledge, especially books. McLuhan studies the emergence of what he calls Gutenberg Man, the subject produced by