Wikipedia
The Andromeda Galaxy is a spiral galaxy approximately 2.5 million light-years from Earth in the Andromeda constellation. Also known as Messier 31, M31, or NGC 224, it is often referred to as the Great Andromeda Nebula in older texts.
Distance to Earth: 2,538,000 light years
Age: 9 billion years
Constellation: Andromeda
Stars: 1 trillion
Apparent mass: ~1,230 billion M☉
Coordinates: RA 0h 42m 44s | Dec 41° 16.152'
Click On The Images To View In High Resolution
|
Image of the Andromeda Galaxy taken by Spitzer in infrared, 24micrometres(Credit:NASA/JPL–Caltech/K. Gordon,University of Arizona) |
The Andromeda Galaxy seen ininfrared by the Spitzer Space Telescope, one of NASA's four Great Space Observatories |
The Andromeda Galaxy pictured inultraviolet light by GALEX |