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Questions and Answers
When did the Universe burst forth with all its energy?
When did the Universe burst forth with all its energy?
- 13.8 billion years ago (correct)
- 1.38 billion years ago
- 13.8 million years ago
- 1.38 million years ago
What happened as the Universe expanded?
What happened as the Universe expanded?
- It stayed the same temperature
- It got colder (correct)
- It got hotter
- It fluctuated in temperature
What allowed atoms to form many different elements, including gold and silver?
What allowed atoms to form many different elements, including gold and silver?
- Electrons
- Protons
- Gravity
- Explosions (correct)
What happens to stars after they burn up all their matter?
What happens to stars after they burn up all their matter?
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What happened when gravity pulled atoms close together?
What happened when gravity pulled atoms close together?
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