Odd I stumbled on to this site obviously from a google search how long does vic w/d last and felt compelled to read every post. I am sitting here at the 24 hour mark and its not dreadful but it is pretty bad.
The best estimate from a 1999 study set that number at about 125 billion galaxies, but a 2013 study - after the Hubble Space Telescope was upgraded considerably - indicated that there are 225 billion galaxies in the observable universe.
Originally Answered: How many stars are there? It is impossible to know how many stars total there are in the universe (or maybe even multiverses?), but it is possible to tell how many stars there are in the observable universe.