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About the image:
M57, also known as the Ring Nebula, is a planetary nebula that was formed approximately 1,600 years ago, give or take 200 years or so. The nebula has been formed by a star shedding it's outer layers into space as the star itself becomes a white dwarf.
Where in the sky is it?
The Ring Nebula can be found in the constellations of Lyra, check the sky map below (click to expand).
