How Big is the Universe

The video explains the difference between the observable universe and the whole universe. The observable universe is the region of space visible from Earth, currently 93 billion light years across, due to the expansion of space. The whole universe is likely infinite. The observable universe has a center, which is us, but the whole universe does not. The universe is expanding, making both the observable and whole universe larger over time. As the universe ages, we see older light from farther away, expanding our view of the cosmos.

What are the two different meanings of the universe mentioned in the text?

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How does the observable universe compare in size to the whole universe?

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Explain why the observable universe has a center.

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What does the text suggest about the universe's edge?

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Discuss the implications of the universe getting bigger over time.

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