GK
BIG BANG THEORY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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When is a star born?
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when the nebula starts spinning
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when nuclear fusion starts
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when gas and dust starts to contract
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when x rays get emitted
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Explanation:
Detailed explanation-1: -A star is born when atoms of light elements are squeezed under enough pressure for their nuclei to undergo fusion. All stars are the result of a balance of forces: the force of gravity compresses atoms in interstellar gas until the fusion reactions begin.
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