skeptical-science.com
How many stars in the universe? - A lot more than previously thought • Skeptical Science
To calculate the number of stars you can start with the oft cited quote that there are about 100 Billion stars in our Galaxy, and then factor in the knowledge that there are about 100 Billion Galaxies out there, but are those numbers correct, how do we even know this? Well, the first most obvious ... Read more
Dave