• Question: how many galexeys are there ?

    Asked by 276spag39 to Silvia, Betty, Isaac, Kieran, Will on 8 Nov 2016. This question was also asked by Star Light, thebeast72.
    • Photo: Silvia Pardo

      Silvia Pardo answered on 8 Nov 2016:

      We don’t have a definitive map of the universe yet so we don’t know for sure, but we can try to estimate it by calculating how many they are in a typical region and multiplying it by the number of regions that size that we can fit in the universe. The result is something between 100 and 200 billion galaxies, a number so big that makes me dizzy!

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