Date- 10th Feb 11 Source- http://www.spitzer.caltech.edu/video-audio 'Seen here in visible light, the North American Nebula strangely resembles its namesake continent. Expanding our view to include infrared light, the dark dust lanes and concealed stars glow in red colors while the continental gas clouds shift to an ocean-??like blue. Pushing entirely into the infrared spectrum, we see even more detail in the convoluted dust clouds.'
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