WIRED Space Photo of the Day: Heart and Soul Nebulas

By Wired Science Staff The Heart and Soul nebulae are seen in this infrared mosaic from NASA’s Wide-field Infrared Survey Explorer, or WISE. The image covers an area of the sky over 10 times as wide as the full moon, and eight times as high (5.5 x 3.9 degrees), in the constellation Cassiopeia.

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