Graphic view of our Milky Way Galaxy. The Milky Way Galaxy is organized into spiral arms of giant stars that illuminate interstellar gas and dust. The Sun is in a finger called the Orion Spur. Overlaid is a graphic of galactic longitude in relation to our Sun.
Credit: NASA/Adler/U. Chicago/Wesleyan/JPL-Caltech
NOTE: Above information has been taken from wikipedia and/or official websites of topics.