The Twin Jet Nebula

The Twin Jet Nebula, a planetary nebula lying some 4200 light-years away, viewed by the NASA/ESA Hubble Space Telescope. 

Planetary nebulae are formed when the outer layers of an aging low-mass star are ejected and interact with the surrounding interstellar medium, leaving behind a compact white dwarf.

Full story: The wings of the butterfly – New Hubble image of the Twin Jet Nebula