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 ten times as wide as the full moon, and eight times as high (5.5 x 3.9 degrees), in the const

14 Gen 2017 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 ten times as wide as the full moon, and eight times as high (5.5 x 3.9 degrees), in the const