The California Nebula is seen in its entirety in this image from NASA’s WISE mission, covering over 25 square degrees of sky. In this infrared view, the dust clouds underlying the nebula glimmer ...

NGC 7023, also known as the Iris Nebula, is a reflection nebula in the constellation Cepheus. It's a bright nebula that's visible in the northern sky.

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All six pictures shown from this release are infrared ... Located in the constellation Perseus the Hero, the California Nebula spans 100 light-years. The Nebula displays a bright green color ...