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Is there a systematic relationship between period and radius for the planets? How do you know this?

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User Benizi
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1 Answer

8 votes

Answer:

We suggest the existence of a correlation between the planetary radius and orbital period for planets with radii smaller than 4 R⊕. Using the Kepler data, we find a correlation coefficient of 0.5120, and suggest that the correlation is not caused solely by survey incompleteness.

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