#messier57

[timbercow]

32x32 pixel art of the Ring Nebula based on a Webb Telescope image.

[wonders-of-the-cosmos]

The Ring Nebula is a planetary nebula in the northern constellation of Lyra. Such objects are formed when a shell of ionized gas is expelled into the surrounding interstellar medium by a red giant star, which was passing through the last stage in its evolution before becoming a white dwarf. 

Image credit: NASA / ESA & Hubble