PIA09579: M81 Galaxy is Pretty in Pink
Target Name: Messier 81
Mission: Galaxy Evolution Explorer (GALEX)
Hubble Space Telescope
Spitzer Space Telescope
Spacecraft: GALEX Orbiter
Instrument: GALEX Telescope
Infrared Array Camera (IRAC)
Visible Light
Product Size: 3180 x 2456 pixels (width x height)
Produced By: California Institute of Technology
Full-Res TIFF: PIA09579.tif (23.43 MB)
Full-Res JPEG: PIA09579.jpg (1.061 MB)

Click on the image above to download a moderately sized image in JPEG format (possibly reduced in size from original)

Original Caption Released with Image:

The perfectly picturesque spiral galaxy known as Messier 81, or M81, looks sharp in this new composite from NASA's Spitzer and Hubble space telescopes and NASA's Galaxy Evolution Explorer. M81 is a "grand design" spiral galaxy, which means its elegant arms curl all the way down into its center. It is located about 12 million light-years away in the Ursa Major constellation and is one of the brightest galaxies that can be seen from Earth through telescopes.

The colors in this picture represent a trio of light wavelengths: blue is ultraviolet light captured by the Galaxy Evolution Explorer; yellowish white is visible light seen by Hubble; and red is infrared light detected by Spitzer. The blue areas show the hottest, youngest stars, while the reddish-pink denotes lanes of dust that line the spiral arms. The orange center is made up of older stars.

Image Credit:
NASA/JPL-Caltech/ESA/Harvard-Smithsonian CfA

Image Addition Date:
2007-06-01