Starts With A Bang #13: How Many Galaxies Are In The Universe? by Ethan Siegel published on 2016-10-23T15:40:14Z Did you hear the news, that it isn't "billions and billions" anymore, but that there are TWO TRILLION (or 2,000,000,000,000) galaxies in the observable Universe? Come get the science behind this amazing story, including how we know, what it means and what we'll even have the potential to learn in the near future. Genre Science
