• I think I've read that there are billions. According to and , there are more than 80 billion galaxies in the observable universe.
  • The current number is believed to be of the order of 10^11 i.e. 100,000,000,000. Since each galaxy contains about the same number of stars, it is a very big place indeed. And that is only the bits we can see.
  • Lots and lots.

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