Hubble's Wide Field Planetary Camera 2 captured this image of planetary nebula NGC 2440 on Feb. 6, 2007. (hubblesite.org)
The final stages of life for a star like our Sun result in the star blowing its outer layers out into the surrounding space, forming objects known as planetary nebulae in a wide range of beautiful and striking shapes. (sciencedaily.com)
The Hubble telescope has spied a giant celestial «eye,» known as planetary nebula NGC 6751. (hubblesite.org)