GROWTH DEVELOPMENT CHILD
SUMMATIVE ASSESSMENT
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What do the initial moments after the Big Banghave in common with the universe as it exists now?
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all the stars, galaxies, and planets that existtoday were formed just a few moments after the Big Bang
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The universe back then could not sustain life, and it cannot sustain life now
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the universe was extremely hot then, and it isstill extremely hot not
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the universe began expanding then, and it isstill expanding today
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Explanation:
Detailed explanation-1: -As the universe expands, the galaxies get farther from each other, and the apparent velocity will appear to be larger for the more distant galaxies. The Earth and the Milky Way are not special in seeing that all galaxies appear to be moving away from us.
Detailed explanation-2: -The Big Bang was the moment 13.8 billion years ago when the universe began as a tiny, dense, fireball that exploded. Most astronomers use the Big Bang theory to explain how the universe began. But what caused this explosion in the first place is still a mystery.
There is 1 question to complete.