sixpenceee: Section of the Galactic PlaneThis is a section of the Galactic plane measured with the S
sixpenceee: Section of the Galactic PlaneThis is a section of the Galactic plane measured with the Spitzer Space Telescope. In this four-color composite, blue is 3.6 microns, green is 4.5 microns, orange is 5.8 microns, and red is 8.0 microns. Image credit: NASA/JPL-Caltech/E. Churchwell (University of Wisconsin). -- source link