M57 is 0.787 kpc (2,570 light-years) from Earth.

citation

Wikipedia contributors. (2024, June 23). Ring Nebula. In Wikipedia, The Free Encyclopedia. Retrieved July 17, 2024, from https://en.wikipedia.org/w/index.php?title=Ring_Nebula&oldid=1230494396

distance of

Ring Nebula

path on GitHub

https://github.com/davepinch/pinchy.cc/blob/master/content/topics/astronomy/catalogs/messier/messier-57/wikipedia/-distance.md

random

Science Fiction Quarterly, November 1956 cover

snippet of

Ring Nebula (Wikipedia) The Ring Nebula (also catalogued as Messier 57, M57 and NGC 6720) is a planetary nebula in the northern constellation of Lyra. Such a nebula is formed when a star, during the last stages of its evolution before becoming a white dwarf, expels a vast luminous envelope of ionized gas into the surrounding interstellar space.

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