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 Hitchhiker's Guide to the Galaxy Primary and Secondary Phases Ships arrives in the sky, and Prostetnic Vogon Jeltz broadcasts an announcement that they are to demolish the Earth to make way for a hyperspace bypass. Panic ensues. Ford uses his "electronic thumb" to hitch a lift onto one of the ships, taking Arthur with him, just moments before the Earth is destroyed. On board the Vogon Constructor Ship, Ford explains that he was a field researcher for the Hitchhiker's Guide to the Galaxy, and had been stuck on the Earth for several more years than he originally expected. The two are soon captured by the Vogons, who take an