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Questions and Answers
When did the first stars in the universe appear?
When did the first stars in the universe appear?
- 50 million years after the big bang
- 100 million years after the big bang (correct)
- 500 million years after the big bang
- 200 million years after the big bang
What is the estimated time gap between the appearance of the first stars and the proliferation of galaxies?
What is the estimated time gap between the appearance of the first stars and the proliferation of galaxies?
- Nearly a billion years (correct)
- 100 million years
- 500 million years
- 2 billion years
How long was the universe featureless and dark according to current understanding of cosmology?
How long was the universe featureless and dark according to current understanding of cosmology?
- A long stretch of its early history (correct)
- Remained dark until the appearance of the first stars
- A few million years after the big bang
- Brief period after the big bang
What can be observed on a clear night with the naked eye?
What can be observed on a clear night with the naked eye?
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What do telescopes reveal about the universe?
What do telescopes reveal about the universe?
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