This image from NASA's Spitzer Space Telescope shows the spiral galaxy NGC 2841, located about 46 million light-years from Earth in the constellation Ursa Major.
April 30, 2009
New observations from NASA's Spitzer Space Telescope reveal how stars are dispersed in spiral galaxies.
For the full story, go to the Spitzer release at
› http://www.spitzer.caltech.edu/Media/happenings/20090430/.