(some estimates put that number even higher, at 500 billion 500 billion galaxies 500 billion galaxies http://www.universetoday.com... some report as high as 500 billion galaxies 200 to 400 billion stars 200 to 400 billion stars www.universetoday.com 200 to 400 billion stars (some estimates put that number even higher, at 500 billion (some estimates put that number even higher, at 500 billion enormous universe hundreds of billions of galaxies http://www.universetoday.com... 200 to 400 billion stars 200 billion galaxies hundreds of billions of galaxies How Many Galaxies in the Universe (some estimates put that number even higher, at 500 billion hundreds of billions of galaxies 200 to 400 billion stars (some estimates put that number even higher, at 500 billion 200 to 400 billion stars 200 to 400 billion stars hundreds of billions of galaxies 10 sextillion to 1 septillion stars 200 to 400 billion stars