Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: NASA, ESA, CSA, ...
Planetary nebulas are made by dying stars about the size of our sun. One of the most famous is called the Helix or Eye of God Nebula, officially NGC7293.
Add Yahoo as a preferred source to see more of our stories on Google. A malevolent, screaming skull face. A witch cackling in profile. An all-seeing eye, gazing red and furious from the cosmic depths.