From NASA JPL/Caltech: “Amazing Andromeda Galaxy” 

The many “personalities” of our great galactic neighbor, the Andromeda galaxy, are exposed in this new composite image from NASA’s Galaxy Evolution Explorer and the Spitzer Space Telescope.

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Credit: NASA/JPL-Caltech

The wide, ultraviolet eyes of Galaxy Evolution Explorer reveal Andromeda’s “fiery” nature — hotter regions brimming with young and old stars. In contrast, Spitzer’s super-sensitive infrared eyes show Andromeda’s relatively “cool” side, which includes embryonic stars hidden in their dusty cocoons.


Galaxy


Spitzer

The article is here.

Jet Propulsion Laboratory (JPL) is a federally funded research and development center and NASA field center located in the San Gabriel Valley area of Los Angeles County, California, United States. Although the facility has a Pasadena postal address, it is actually headquartered in the city of La Cañada Flintridge [1], on the northwest border of Pasadena. JPL is managed by the nearby California Institute of Technology (Caltech) for the National Aeronautics and Space Administration. The Laboratory’s primary function is the construction and operation of robotic planetary spacecraft, though it also conducts Earth-orbit and astronomy missions. It is also responsible for operating NASA’s Deep Space Network.

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