According to the Big Bang theory of the origin of the Universe, the ag

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According to the Big Bang theory of the origin of the Universe, the age of the Universe is estimated at about :

0-3 million years
4 - 6 billion years
7 - 10 billion years
13 - 18 billion years
This question was previously asked in
UPSC CISF-AC-EXE – 2023
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According to the Big Bang theory, the age of the Universe is estimated at about 13 – 18 billion years, which corresponds to option D.
The standard cosmological model, which is based on the Big Bang theory, estimates the age of the Universe by observing the expansion rate (using the Hubble constant) and the composition of the Universe (from Cosmic Microwave Background data, e.g., from Planck or WMAP satellites). Current estimates based on these observations place the age of the Universe at approximately 13.8 billion years.
Early estimates varied, but increasingly precise measurements over the past couple of decades have converged on a value close to 13.8 billion years. Options A, B, and C represent ages that are significantly younger than the currently accepted scientific estimate for the age of the Universe.

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