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Questions and Answers
What type of star is the Sun?
What type of star is the Sun?
- Blue supergiant
- Red giant
- White dwarf
- Yellow dwarf (correct)
Where does the Sun's energy come from?
Where does the Sun's energy come from?
- Gravitational collapse
- Solar wind
- Nuclear fusion reactions (correct)
- Geothermal activity
When did the Sun form?
When did the Sun form?
- 2.5 billion years ago
- 6 billion years ago
- 4.6 billion years ago (correct)
- 1 billion years ago
Which element makes up the majority of the Sun's mass?
Which element makes up the majority of the Sun's mass?
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What is the Sun's radius compared to Earth's radius?
What is the Sun's radius compared to Earth's radius?
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What is the Sun primarily composed of?
What is the Sun primarily composed of?
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What is the Sun's mass compared to Earth's mass?
What is the Sun's mass compared to Earth's mass?
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What type of fusion reactions occur at the Sun's core?
What type of fusion reactions occur at the Sun's core?
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