This zoomed-in image of the Helix nebula seems to make a rainbow outwards from the star. It's blue at the center, fading to white, then yellow, then orange, and finally red at the outer edges.

C63 – The Helix Nebula

Comet-like tendrils cluster along the inner rim of the nebula’s reddish outer gas ring. This composite picture is a seamless blend of Hubble’s ultra-sharp images taken with the Advanced Camera for Surveys combined with the wide view of the Mosaic Camera on the National Science Foundation's 0.9-meter telescope at Kitt Peak National Observatory.

Credits: NASA, NOAO, ESA, the Hubble Helix Nebula Team, M. Meixner (STScI), and T.A. Rector (NRAO)
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Image CreditNASA, NOAO, ESA, the Hubble Helix Nebula Team, M. Meixner (STScI), and T.A. Rector (NRAO)
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