Nasa’s GALEX UV telescope satellite has imaged two famous spiral galaxies, the Andromeda Galaxy M31 and the Pinwheel Galaxy M101. These images are in false color, 2-color composite: far-UV displayed in blue, near-UV in red.
GALEX Feature Story (February 21, 2008):
http://www.galex.caltech.edu/newsroom/glx2008-01f.html
M31 image:
http://www.galex.caltech.edu/media/glx2008-01f_img01.html
M101 image:
http://www.galex.caltech.edu/media/glx2008-01f_img02.html
SEDS M31 page:
http://www.seds.org/messier/m/m031.html
SEDS M101 page:
http://www.seds.org/messier/m/m101.html
![[M31 in UV, GALEX]](http://messier.files.wordpress.com/2008/07/glx2008-01f_img01_small.jpg?w=128)
![[M101 in UV, GALEX]](http://messier.files.wordpress.com/2008/07/glx2008-01f_img02_small.jpg?w=128)