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Questions and Answers
What is the primary source of heat and light in stars?
What is the primary source of heat and light in stars?
- Reflection of sunlight
- Electric discharge
- Nuclear fusion reactions (correct)
- Gravitational pull
What is the main constituent of stars?
What is the main constituent of stars?
- Oxygen
- Carbon dioxide
- Hydrogen gas (correct)
- Nitrogen gas
Why do stars appear to be small?
Why do stars appear to be small?
- They are actually small in size
- They have a compact structure
- They emit very little light
- They are very far away from us (correct)
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