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Universe Exploration

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Questions and Answers

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?

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?

Infinite

93 billion light-years

100 billion light-years

Unknown (correct)

Who developed the heliocentric model of the universe?

Nicolaus Copernicus Signup and view all the answers

What did some of the earliest cosmological models of the universe propose?

Geocentric model with Earth at the center Signup and view all the answers

According to the prevailing cosmological theory, when did the universe emerge?

13.787±0.020 billion years ago Signup and view all the answers

What does the universe comprise according to the text?

All forms of energy and matter, and the structures they form Signup and view all the answers

Who developed the heliocentric model of the universe?

Nicolaus Copernicus Signup and view all the answers

What is the approximate diameter of the observable universe at the present day?

93 billion light-years Signup and view all the answers

What is the spatial size of the entire universe according to the text?

Unknown Signup and view all the answers

Universe Exploration

Choose a study mode

Podcast

Questions and Answers

According to the prevailing cosmological theory, when did space and time emerge together?

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?

Who developed the heliocentric model of the universe?

What did some of the earliest cosmological models of the universe propose?

According to the prevailing cosmological theory, when did the universe emerge?

What does the universe comprise according to the text?

Who developed the heliocentric model of the universe?

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?

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