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 Galaxy Railways The Galaxy Railways It has also been announced that on the March 25, 2009, an off take of the series called will be released as a Drama CD. The story follows the Mizar platoon and their adventures. The story takes place in an alternate future, where trains are capable of interplanetary travel. The fleet of the Galaxy Railways is protected by the Space Defence Force, or SDF, against intergalactic terrorists, meteor storms and malicious alien life. In the series it seems that the Galaxy Railways serve as both an establishment and government presiding over a large sector of the galaxy.