How many inches away is the Andromeda Galaxy?

You can figure it out yourself with the following info: 1. distance is 2.5 million light-years 2. There are 86400 × 365.25 seconds in a year 3. Light travels 3 × 10[math]^{10}[/math] centimeters per second 4. read more

The Andromeda Galaxy (/ æ n ˈ d r ɒ m ɪ d ə /), 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. read more

The Andromeda Galaxy (M31) is the closest large galaxy to the Milky Way and is one of a few galaxies that can be seen unaided from the Earth. In approximately 4.5 billion years the Andromeda Galaxy and the Milky Way are expected to collide and the result will be a giant elliptical galaxy. read more