Exam-style question
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What is the primary function of a radio telescope?.
- A.To collect visible light from celestial objects
- B.To detect radio waves emitted by astronomical sources
- C.To magnify images of distant stars
- D.To measure the temperature of planets
Model answer
What a good answer should say
- To detect radio waves emitted by astronomical sources
Explanation
Why this works
Radio telescopes are designed specifically to detect radio waves, which allows astronomers to study celestial objects that emit radio frequencies, providing insights that are not possible with optical telescopes.
Common mistake
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