The spectacular - excellent example of a gaseous emission nebula created as a sun-like star runs out of nuclear fuel. The nebula forms as the star's outer layers are expelled into space with a visible glow generated by atoms excited by intense.
Supernovae Destiny's Floating at the centre of this new Hubble image is a lidless purple eye, staring back at us through space. This ethereal object, known officially as 1 but sometimes nicknamed is a nebula with a giant star at its cent
Andromeda Galaxy A massive spiral million light-years away, over twice the diameter of our own Milky Way, it's the largest nearby galaxy. Andromeda's population of bright young blue stars lie along its sweeping spiral arms. by Spitzer Space Telescope