GK
BIG BANG THEORY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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We see more helium in the Universe than could have been made in stars. This means that
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the early universe was very cold
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the universe is about 10, 000 years old
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galaxies are moving away
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the early universe was very hot
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Explanation:
Detailed explanation-1: -The Early Years As the universe expanded, it cooled off enough to let the plasma become atoms, and the cosmos became transparent. We observe the light from this time as the cosmic microwave background (CMB).
Detailed explanation-2: -Approximately 73% of the mass of the visible universe is in the form of hydrogen. Helium makes up about 25% of the mass, and everything else represents only 2%.
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