The Catseye Nebula (NGC 6543) is a planetary nebula 3300 ly away in Draco. It has eleven rings, or shells, of gas, and reveals knots, jets, bubbles and sinewy arc-like features, and shows molecular hydrogen and Argon

 
The Catseye Nebula (NGC 6543) is a planetary nebula 3300 ly away in Draco. It has eleven rings, or shells, of gas, and reveals knots, jets, bubbles and sinewy arc-like features, and shows molecular hydrogen and Argon

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