February 20, 2008
The March 2008 issue of Astronomy
is dedicated to galaxies. This special issue features a foldout poster. One side of this poster celebrates the Two Micron All Sky Survey. In this week's show, Caltech astronomer Thomas Jarrett, who supplied the text and images for this poster, explains the science behind the beauty.
To find out more about this poster, you can visit Thomas Jarrett's web site.
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