Ring Around the Rosie

Rule #3: Cosmological Art

Rings Around the Ring Nebula, Hubble, et al., APOD

Related articles

• Beautiful Spiral Galaxy (hl98.blogspot.com)
• "Deep, red, and about 2,000 kilometers wide" (hl98.blogspot.com)
• The Iris Nebula (hl98.blogspot.com)

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