About this Image
This stunning space wallpaper is a combination of two composite images of NGC 6210. The outer, mostly green portion represents the light of doubly ionized oxygen. The inner portion represents the light of singly and doubly ionized oxygen in red and green respectively.
Credit: Robert Rubin and Christopher Ortiz (NASA/ESA Ames Research Center), Patrick Harrington and Nancy Jo Lame (University of Maryland), Reginald Dufour (Rice University), and NASA/ESA
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