The colors come from the presence of hydrogen, oxygen, and nitrogen. Dubbed the Spirograph Nebula for its resemblance to drawings from a cyclical drawing tool, planetary nebula IC 418 shows poorly ...

Ionized atoms ejected from a dying star form the bright swirling clouds of this planetary nebula. Named Kohoutek 4-55, the nebula was captured by the Hubble Space Telescope. Planetary nebulae like ...

Vast clouds of ionized atoms ejected from a dying star form the painting-like visage of a planetary nebula named Kohoutek 4-55, as imaged by the Hubble Space Telescope. | Credit: ESA/Hubble & NASA ...