Exam-style question
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Which of the following is a limitation of the transit method for exoplanet detection?.
- A.It can only detect large planets.
- B.It requires precise measurements of star brightness.
- C.It can only detect planets in the habitable zone.
- D.It is not effective for distant stars.
Model answer
What a good answer should say
- It requires precise measurements of star brightness.
Explanation
Why this works
The transit method is highly dependent on the ability to measure small changes in brightness accurately. This precision is necessary to detect the small dimming caused by a planet transiting in front of a star.
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