PIA12832 - This
sharp, wide-field view features
light from the spiral
Dust heated by Andromeda's young stars is shown in yellow and red,
while its older population of stars appears as a bluish haze.
The false-color skyscape is a mosaic of images from NASA's new
Infrared Survey Explorer (WISE)
With over twice the diameter of
our Milky Way, Andromeda is the largest galaxy in
Andromeda's own satellite galaxies M110
are also included in the combined fields.
Launched in December 2009, WISE began a six month long infrared
survey of the entire sky on January 14.
Expected to discover
as well as explore
the distant universe, its sensitive infrared detectors are
by frozen hydrogen.