Here are some amazing images that are literally out of this world. With views of 100 million stars and 200 million galaxies, Google Sky lets you be a virtual space traveller with just a few clicks of a mouse.
6. Cosmic debris
This wispy collection of colours, like smoke rising after a fireworks display, is what's left after a stellar explosion in a nearby galaxy (also known as a supernova). (Search: DEM L 190)