Andromeda Galaxy (the Andromeda Galaxy is one of the closest Galaxy to us, scientists even believe that someday the Andromeda Galaxy will make a collision with our Milky way and completely destroy both of the Galaxies). I learned this on How The Universe
Featured Image: the cosmic ice sculptures of the Carina Nebula via Hubblesite. The visible space is big, complex and can be incredibly beautiful. This list of 9 pictures gathers the most beautiful images of our universe I could find.
Exploring Universe: Thomas Wright presents an alternate view of the Milky Way galaxy in cross section. Plates XXXI and XXXII show the universe filled with many systems like our own, each a star-filled shell surrounding its own "eye of Providence" - from A