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Questions and Answers
According to the prevailing cosmological theory, when did space and time emerge together?
According to the prevailing cosmological theory, when did space and time emerge together?
- 13.787±0.020 billion years ago (correct)
- 15 billion years ago
- 10 billion years ago
- 20 billion years ago
What is the approximate diameter of the observable universe at the present day?
What is the approximate diameter of the observable universe at the present day?
- 100 billion light-years
- 80 billion light-years
- 93 billion light-years (correct)
- 120 billion light-years
What is the spatial size of the entire universe according to the text?
What is the spatial size of the entire universe according to the text?
- Infinite
- 93 billion light-years
- 100 billion light-years
- Unknown (correct)
Who developed the heliocentric model of the universe?
Who developed the heliocentric model of the universe?
What did some of the earliest cosmological models of the universe propose?
What did some of the earliest cosmological models of the universe propose?
According to the prevailing cosmological theory, when did the universe emerge?
According to the prevailing cosmological theory, when did the universe emerge?
What does the universe comprise according to the text?
What does the universe comprise according to the text?
Who developed the heliocentric model of the universe?
Who developed the heliocentric model of the universe?
What is the approximate diameter of the observable universe at the present day?
What is the approximate diameter of the observable universe at the present day?
What is the spatial size of the entire universe according to the text?
What is the spatial size of the entire universe according to the text?
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