According to Big Bang Theory, the Universe began about _____ billion years ago

A. 10 – 20
B. 20 – 30
C. 30 – 40
D. 40 – 50
E. None of above

Check Answer

The correct answer is A) 13.8 billion years ago.

According to the Big Bang theory, the Universe began as an incredibly hot and dense state around 13.8 billion years ago. The theory explains that in the beginning, all the matter and energy of the Universe were concentrated in one incredibly dense point, called a singularity. This singularity expanded and cooled, eventually forming the galaxies, stars, and planets we see today.

The Big Bang theory is supported by a variety of observations, including the cosmic microwave background radiation and the large-scale structure of the Universe. The age of the Universe estimated by different cosmological observations such as the cosmic microwave background radiation and the study of distant supernovae agree with the value of 13.8 billion years.
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