The WISE Infrared Sky

The image is an oval, which represents the sky folded out onto a flat surface. There is an electric blue, fuzzy light running left to right in the center of the image, showing emission from the plane of our Milky Way galaxy. About half way between the center of the image and the left edge, that blue line turns green and expands out into diffuse clouds. That blue line similarly expands into diffuse green clouds on the right side, too. Most of the rest of the image appears black with just a few spots of dim green clouds dotted around the image.
Historical DateMarch 14, 2012
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This is a mosaic the entire sky as observed by NASA's Wide-field Infrared Survey Explorer (WISE) as part of its All-Sky Data Release.