This video helps the viewer understand the relative size of earth to the size of the known universe. The video takes viewers from the Himalayas through our atmosphere and to the end of the now known universe, and then comes back to earth. For maximum enjoyment, right click on the icon below with the arrows at the four corners, and select "Watch on YouTube." I've sometimes had to move the mouse pointer around on the icon to get it to activate. That may or may not be true for you. At YouTube click on the same type icon and the screen should expand to full screen.
