(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

In recent years, a number of nearby stars have been found to possess planets. Suppose, the orbital radius of such a planet is found to be 4.3 times 1011 m, with a period of 1080 days. Find the mass of the star.

2. Relevant equations

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3. The attempt at a solution

I don't even know where to start with this question. Without the mass of the planet I am clueless. ANy help would be much appreciated, Thanks a lot.

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# Mass of a star given orbital radius and period

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