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What are the probabilities of planetary transits in systems

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What are the probabilities of planetary transits in the following systems, assuming circular orbits:

a) A 2 R(earth) planet around a sun-like star on a P=66 day orbit

b) A 1 R(earth) planet in the habitable zone (P= 1 atm, AB= 0.33) around 0.5 R(sun) star with a T(eff)= 3520 K?

Reference no: EM131041143

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