A Galaxy is a large collection of billion of stars
2. Which galaxy are we in?
We are in the Milky Way
3. Source an image of our galaxy
3. Source an image of our galaxy
Source: http://www.gearlog.com/2010/11/planet_from_outside_milky_way.php
4. What type of galaxy are we in?
We are in a spiral galaxy
5. How many galaxies are the in the Universe?
There are hundreds of billions of galaxies in our universe