This odd greenish nebula, called NGC 7009 or the Saturn Nebula, is the result of a star similar to our sun going nova. Since then, a bright new star was born from the gases of its predecessor. It can be seen in the center of the nebula, inside the bluish sphere of gas. The nebula is located 1,400 light-years away in the constellation of Aquarius. The picture was taken by the Hubble Space Telescope.
Image Credits: NASA and Hubble Space Telescope