Mathematics, 30.11.2019 06:31, cwsmith8026
Based on counting the number of galaxies in a small patch of the sky and multiplying by the number of such patches needed to cover the entire sky, the total number of galaxies in the observable universe is estimated to be approximately
a) 100 million.
b) 100 billion.
c) 1 billion.
d) 1 trillion.
e) 10 billion.
Answers: 1
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