GK
BIG BANG THEORY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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13.7 million years old
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1 million years old
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13.7 billion years old
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We’re not sure how old it is
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Detailed explanation-1: -We do not know the exact age of the universe, but we believe that it is around 13 billion years-give or take a few billion. Astronomers estimate the age of the universe in two ways: (a) by looking for the oldest stars; and (b) by measuring the rate of expansion of the universe and extrapolating back to the Big Bang.
Detailed explanation-2: -Illustration of the expansion of the Universe. Scientists’ best estimate is that the universe is about 13.8 billion years old.
Detailed explanation-3: -Far from being 13.8 billion years old, as estimated by the European Planck space telescope’s detailed measurements of cosmic radiation in 2013, the universe may be as young as 11.4 billion years. If that is, indeed, the case, then Methuselah is one again older than the universe.
Detailed explanation-4: -The Big Bang: the birth of the universe Around 13.7 billion years ago, everything in the entire universe was condensed in an infinitesimally small singularity, a point of infinite denseness and heat. Suddenly, an explosive expansion began, ballooning our universe outwards faster than the speed of light.